firewire.c revision 110269
1103285Sikob/* 2103285Sikob * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa 3103285Sikob * All rights reserved. 4103285Sikob * 5103285Sikob * Redistribution and use in source and binary forms, with or without 6103285Sikob * modification, are permitted provided that the following conditions 7103285Sikob * are met: 8103285Sikob * 1. Redistributions of source code must retain the above copyright 9103285Sikob * notice, this list of conditions and the following disclaimer. 10103285Sikob * 2. Redistributions in binary form must reproduce the above copyright 11103285Sikob * notice, this list of conditions and the following disclaimer in the 12103285Sikob * documentation and/or other materials provided with the distribution. 13103285Sikob * 3. All advertising materials mentioning features or use of this software 14103285Sikob * must display the acknowledgement as bellow: 15103285Sikob * 16103285Sikob * This product includes software developed by K. Kobayashi and H. Shimokawa 17103285Sikob * 18103285Sikob * 4. The name of the author may not be used to endorse or promote products 19103285Sikob * derived from this software without specific prior written permission. 20103285Sikob * 21103285Sikob * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22103285Sikob * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 23103285Sikob * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 24103285Sikob * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 25103285Sikob * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 26103285Sikob * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 27103285Sikob * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28103285Sikob * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 29103285Sikob * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 30103285Sikob * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31103285Sikob * POSSIBILITY OF SUCH DAMAGE. 32103285Sikob * 33103285Sikob * $FreeBSD: head/sys/dev/firewire/firewire.c 110269 2003-02-03 07:33:31Z simokawa $ 34103285Sikob * 35103285Sikob */ 36103285Sikob 37103285Sikob#include <sys/param.h> 38103285Sikob#include <sys/systm.h> 39103285Sikob#include <sys/types.h> 40103285Sikob#include <sys/mbuf.h> 41103285Sikob#include <sys/socket.h> 42103285Sikob#include <sys/socketvar.h> 43103285Sikob 44103285Sikob#include <sys/kernel.h> 45103285Sikob#include <sys/malloc.h> 46103285Sikob#include <sys/conf.h> 47103285Sikob#include <sys/uio.h> 48103285Sikob#include <sys/sysctl.h> 49103285Sikob 50103285Sikob#include <machine/cpufunc.h> /* for rdtsc proto for clock.h below */ 51103285Sikob#include <machine/clock.h> 52103285Sikob 53103285Sikob#include <sys/bus.h> /* used by smbus and newbus */ 54103285Sikob 55103285Sikob#include <dev/firewire/firewire.h> 56103285Sikob#include <dev/firewire/firewirereg.h> 57110072Ssimokawa#include <dev/firewire/fwmem.h> 58103285Sikob#include <dev/firewire/iec13213.h> 59103285Sikob#include <dev/firewire/iec68113.h> 60103285Sikob 61109736Ssimokawaint firewire_debug=0, try_bmr=1; 62103285SikobSYSCTL_INT(_debug, OID_AUTO, firewire_debug, CTLFLAG_RW, &firewire_debug, 0, 63108281Ssimokawa "FireWire driver debug flag"); 64109736SsimokawaSYSCTL_NODE(_hw, OID_AUTO, firewire, CTLFLAG_RD, 0, "FireWire Subsystem"); 65109736SsimokawaSYSCTL_INT(_hw_firewire, OID_AUTO, try_bmr, CTLFLAG_RW, &try_bmr, 0, 66109736Ssimokawa "Try to be a bus manager"); 67103285Sikob 68110195SsimokawaMALLOC_DEFINE(M_FW, "firewire", "FireWire"); 69110269SsimokawaMALLOC_DEFINE(M_FWXFER, "fw_xfer", "XFER/FireWire"); 70110195Ssimokawa 71103285Sikob#define FW_MAXASYRTY 4 72103285Sikob#define FW_MAXDEVRCNT 4 73103285Sikob 74103285Sikob#define XFER_TIMEOUT 0 75103285Sikob 76103285Sikobdevclass_t firewire_devclass; 77103285Sikob 78103285Sikobstatic int firewire_match __P((device_t)); 79103285Sikobstatic int firewire_attach __P((device_t)); 80103285Sikobstatic int firewire_detach __P((device_t)); 81103285Sikob#if 0 82103285Sikobstatic int firewire_shutdown __P((device_t)); 83103285Sikob#endif 84103285Sikobstatic device_t firewire_add_child __P((device_t, int, const char *, int)); 85103285Sikobstatic void fw_try_bmr __P((void *)); 86103285Sikobstatic void fw_try_bmr_callback __P((struct fw_xfer *)); 87103285Sikobstatic void fw_asystart __P((struct fw_xfer *)); 88103285Sikobstatic int fw_get_tlabel __P((struct firewire_comm *, struct fw_xfer *)); 89103285Sikobstatic void fw_bus_probe __P((struct firewire_comm *)); 90103285Sikobstatic void fw_bus_explore __P((struct firewire_comm *)); 91103285Sikobstatic void fw_bus_explore_callback __P((struct fw_xfer *)); 92103285Sikobstatic void fw_attach_dev __P((struct firewire_comm *)); 93106543Ssimokawa#ifdef FW_VMACCESS 94103285Sikobstatic void fw_vmaccess __P((struct fw_xfer *)); 95106543Ssimokawa#endif 96103285Sikobstruct fw_xfer *asyreqq __P((struct firewire_comm *, u_int8_t, u_int8_t, u_int8_t, 97105620Ssimokawa u_int32_t, u_int32_t, void (*)__P((struct fw_xfer *)))); 98110072Ssimokawastatic int fw_bmr __P((struct firewire_comm *)); 99103285Sikob 100103285Sikobstatic device_method_t firewire_methods[] = { 101103285Sikob /* Device interface */ 102103285Sikob DEVMETHOD(device_probe, firewire_match), 103103285Sikob DEVMETHOD(device_attach, firewire_attach), 104103285Sikob DEVMETHOD(device_detach, firewire_detach), 105108642Ssimokawa DEVMETHOD(device_suspend, bus_generic_suspend), 106108642Ssimokawa DEVMETHOD(device_resume, bus_generic_resume), 107103285Sikob DEVMETHOD(device_shutdown, bus_generic_shutdown), 108103285Sikob 109103285Sikob /* Bus interface */ 110103285Sikob DEVMETHOD(bus_add_child, firewire_add_child), 111103285Sikob DEVMETHOD(bus_print_child, bus_generic_print_child), 112103285Sikob 113103285Sikob { 0, 0 } 114103285Sikob}; 115103285Sikobchar linkspeed[7][0x10]={"S100","S200","S400","S800","S1600","S3200","Unknown"}; 116103285Sikob 117103285Sikob#define MAX_GAPHOP 16 118103285Sikobu_int gap_cnt[] = {1, 1, 4, 6, 9, 12, 14, 17, 119103285Sikob 20, 23, 25, 28, 31, 33, 36, 39, 42}; 120106813Ssimokawa 121106813Ssimokawaextern struct cdevsw firewire_cdevsw; 122106813Ssimokawa 123103285Sikobstatic driver_t firewire_driver = { 124103285Sikob "firewire", 125103285Sikob firewire_methods, 126103285Sikob sizeof(struct firewire_softc), 127103285Sikob}; 128103285Sikob 129103285Sikob/* 130110072Ssimokawa * Lookup fwdev by node id. 131103285Sikob */ 132106810Ssimokawastruct fw_device * 133110072Ssimokawafw_noderesolve_nodeid(struct firewire_comm *fc, int dst) 134103285Sikob{ 135103285Sikob struct fw_device *fwdev; 136110072Ssimokawa int s; 137110072Ssimokawa 138110072Ssimokawa s = splfw(); 139110193Ssimokawa STAILQ_FOREACH(fwdev, &fc->devices, link) 140110072Ssimokawa if (fwdev->dst == dst) 141103285Sikob break; 142110072Ssimokawa splx(s); 143110072Ssimokawa 144106810Ssimokawa if(fwdev == NULL) return NULL; 145106810Ssimokawa if(fwdev->status == FWDEVINVAL) return NULL; 146106810Ssimokawa return fwdev; 147103285Sikob} 148106813Ssimokawa 149103285Sikob/* 150110072Ssimokawa * Lookup fwdev by EUI64. 151110072Ssimokawa */ 152110072Ssimokawastruct fw_device * 153110072Ssimokawafw_noderesolve_eui64(struct firewire_comm *fc, struct fw_eui64 eui) 154110072Ssimokawa{ 155110072Ssimokawa struct fw_device *fwdev; 156110072Ssimokawa int s; 157110072Ssimokawa 158110072Ssimokawa s = splfw(); 159110193Ssimokawa STAILQ_FOREACH(fwdev, &fc->devices, link) 160110193Ssimokawa if (FW_EUI64_EQUAL(fwdev->eui, eui)) 161110072Ssimokawa break; 162110072Ssimokawa splx(s); 163110072Ssimokawa 164110072Ssimokawa if(fwdev == NULL) return NULL; 165110072Ssimokawa if(fwdev->status == FWDEVINVAL) return NULL; 166110072Ssimokawa return fwdev; 167110072Ssimokawa} 168110072Ssimokawa 169110072Ssimokawa/* 170103285Sikob * Async. request procedure for userland application. 171103285Sikob */ 172103285Sikobint 173103285Sikobfw_asyreq(struct firewire_comm *fc, int sub, struct fw_xfer *xfer) 174103285Sikob{ 175103285Sikob int err = 0; 176103285Sikob struct fw_xferq *xferq; 177103285Sikob int tl = 0, len; 178103285Sikob struct fw_pkt *fp; 179103285Sikob int tcode; 180103285Sikob struct tcode_info *info; 181103285Sikob 182103285Sikob if(xfer == NULL) return EINVAL; 183108701Ssimokawa if(xfer->send.len > MAXREC(fc->maxrec)){ 184103285Sikob printf("send.len > maxrec\n"); 185103285Sikob return EINVAL; 186103285Sikob } 187103285Sikob if(xfer->act.hand == NULL){ 188103285Sikob printf("act.hand == NULL\n"); 189103285Sikob return EINVAL; 190103285Sikob } 191103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 192103285Sikob 193103285Sikob tcode = fp->mode.common.tcode & 0xf; 194103285Sikob info = &fc->tcode[tcode]; 195103285Sikob if (info->flag == 0) { 196103285Sikob printf("invalid tcode=%d\n", tcode); 197103285Sikob return EINVAL; 198103285Sikob } 199103285Sikob if (info->flag & FWTI_REQ) 200103285Sikob xferq = fc->atq; 201103285Sikob else 202103285Sikob xferq = fc->ats; 203103285Sikob len = info->hdr_len; 204103285Sikob if (info->flag & FWTI_BLOCK_STR) 205103285Sikob len += ntohs(fp->mode.stream.len); 206103285Sikob else if (info->flag & FWTI_BLOCK_ASY) 207103285Sikob len += ntohs(fp->mode.rresb.len); 208103285Sikob if( len > xfer->send.len ){ 209103285Sikob printf("len(%d) > send.len(%d) (tcode=%d)\n", 210103285Sikob len, xfer->send.len, tcode); 211103285Sikob return EINVAL; 212103285Sikob } 213103285Sikob xfer->send.len = len; 214106790Ssimokawa 215103285Sikob if(xferq->start == NULL){ 216103285Sikob printf("xferq->start == NULL\n"); 217103285Sikob return EINVAL; 218103285Sikob } 219103285Sikob if(!(xferq->queued < xferq->maxq)){ 220108655Ssimokawa device_printf(fc->bdev, "Discard a packet (queued=%d)\n", 221108655Ssimokawa xferq->queued); 222103285Sikob return EINVAL; 223103285Sikob } 224103285Sikob 225103285Sikob 226103285Sikob if (info->flag & FWTI_TLABEL) { 227103285Sikob if((tl = fw_get_tlabel(fc, xfer)) == -1 ) 228103285Sikob return EIO; 229103285Sikob fp->mode.hdr.tlrt = tl << 2; 230103285Sikob } 231103285Sikob 232103285Sikob xfer->tl = tl; 233103285Sikob xfer->tcode = tcode; 234103285Sikob xfer->resp = 0; 235103285Sikob xfer->fc = fc; 236103285Sikob xfer->q = xferq; 237103285Sikob xfer->act_type = FWACT_XFER; 238103285Sikob xfer->retry_req = fw_asybusy; 239103285Sikob 240103285Sikob fw_asystart(xfer); 241103285Sikob return err; 242103285Sikob} 243103285Sikob/* 244103285Sikob * Wakeup blocked process. 245103285Sikob */ 246103285Sikobvoid 247103285Sikobfw_asy_callback(struct fw_xfer *xfer){ 248103285Sikob wakeup(xfer); 249103285Sikob return; 250103285Sikob} 251103285Sikob/* 252103285Sikob * Postpone to later retry. 253103285Sikob */ 254103285Sikobvoid fw_asybusy(struct fw_xfer *xfer){ 255106815Ssimokawa#if 1 256103285Sikob printf("fw_asybusy\n"); 257103285Sikob#endif 258103285Sikob#if XFER_TIMEOUT 259103285Sikob untimeout(fw_xfer_timeout, (void *)xfer, xfer->ch); 260103285Sikob#endif 261103285Sikob/* 262103285Sikob xfer->ch = timeout((timeout_t *)fw_asystart, (void *)xfer, 20000); 263103285Sikob*/ 264103285Sikob DELAY(20000); 265103285Sikob fw_asystart(xfer); 266103285Sikob return; 267103285Sikob} 268103285Sikob#if XFER_TIMEOUT 269103285Sikob/* 270103285Sikob * Post timeout for async. request. 271103285Sikob */ 272103285Sikobvoid 273103285Sikobfw_xfer_timeout(void *arg) 274103285Sikob{ 275103285Sikob int s; 276103285Sikob struct fw_xfer *xfer; 277103285Sikob 278103285Sikob xfer = (struct fw_xfer *)arg; 279103285Sikob printf("fw_xfer_timeout status=%d resp=%d\n", xfer->state, xfer->resp); 280103285Sikob /* XXX set error code */ 281103285Sikob s = splfw(); 282103285Sikob xfer->act.hand(xfer); 283103285Sikob splx(s); 284103285Sikob} 285103285Sikob#endif 286103285Sikob/* 287103285Sikob * Async. request with given xfer structure. 288103285Sikob */ 289106790Ssimokawastatic void 290106790Ssimokawafw_asystart(struct fw_xfer *xfer) 291106790Ssimokawa{ 292103285Sikob struct firewire_comm *fc = xfer->fc; 293103285Sikob int s; 294103285Sikob if(xfer->retry++ >= fc->max_asyretry){ 295103285Sikob xfer->resp = EBUSY; 296103285Sikob xfer->state = FWXF_BUSY; 297103285Sikob xfer->act.hand(xfer); 298103285Sikob return; 299103285Sikob } 300103285Sikob#if 0 /* XXX allow bus explore packets only after bus rest */ 301103285Sikob if (fc->status < FWBUSEXPLORE) { 302103285Sikob xfer->resp = EAGAIN; 303103285Sikob xfer->state = FWXF_BUSY; 304103285Sikob if (xfer->act.hand != NULL) 305103285Sikob xfer->act.hand(xfer); 306103285Sikob return; 307103285Sikob } 308103285Sikob#endif 309103285Sikob s = splfw(); 310103285Sikob xfer->state = FWXF_INQ; 311103285Sikob STAILQ_INSERT_TAIL(&xfer->q->q, xfer, link); 312103285Sikob xfer->q->queued ++; 313103285Sikob splx(s); 314103285Sikob /* XXX just queue for mbuf */ 315103285Sikob if (xfer->mbuf == NULL) 316103285Sikob xfer->q->start(fc); 317103285Sikob#if XFER_TIMEOUT 318103285Sikob if (xfer->act.hand != NULL) 319103285Sikob xfer->ch = timeout(fw_xfer_timeout, (void *)xfer, hz); 320103285Sikob#endif 321103285Sikob return; 322103285Sikob} 323106790Ssimokawa 324103285Sikobstatic int 325103285Sikobfirewire_match( device_t dev ) 326103285Sikob{ 327108281Ssimokawa device_set_desc(dev, "IEEE1394(FireWire) bus"); 328103285Sikob return -140; 329103285Sikob} 330106790Ssimokawa 331103285Sikob/* 332103285Sikob * The attach routine. 333103285Sikob */ 334103285Sikobstatic int 335103285Sikobfirewire_attach( device_t dev ) 336103285Sikob{ 337103285Sikob int i, unitmask, mn; 338103285Sikob struct firewire_softc *sc = device_get_softc(dev); 339103285Sikob device_t pa = device_get_parent(dev); 340103285Sikob struct firewire_comm *fc; 341103285Sikob dev_t d; 342103285Sikob 343103285Sikob fc = (struct firewire_comm *)device_get_softc(pa); 344103285Sikob sc->fc = fc; 345103285Sikob 346103285Sikob unitmask = UNIT2MIN(device_get_unit(dev)); 347103285Sikob 348103285Sikob if( fc->nisodma > FWMAXNDMA) fc->nisodma = FWMAXNDMA; 349103285Sikob for ( i = 0 ; i < fc->nisodma ; i++ ){ 350103285Sikob mn = unitmask | i; 351103285Sikob /* XXX device name should be improved */ 352103285Sikob d = make_dev(&firewire_cdevsw, unit2minor(mn), 353108276Ssimokawa UID_ROOT, GID_OPERATOR, 0660, 354103285Sikob "fw%x", mn); 355103285Sikob#if __FreeBSD_version >= 500000 356103285Sikob if (i == 0) 357103285Sikob sc->dev = d; 358103285Sikob else 359103285Sikob dev_depends(sc->dev, d); 360103285Sikob#else 361103285Sikob sc->dev[i] = d; 362103285Sikob#endif 363103285Sikob } 364103285Sikob d = make_dev(&firewire_cdevsw, unit2minor(unitmask | FWMEM_FLAG), 365108276Ssimokawa UID_ROOT, GID_OPERATOR, 0660, 366103285Sikob "fwmem%d", device_get_unit(dev)); 367103285Sikob#if __FreeBSD_version >= 500000 368103285Sikob dev_depends(sc->dev, d); 369103285Sikob#else 370103285Sikob sc->dev[i] = d; 371103285Sikob#endif 372108853Ssimokawa#if __FreeBSD_version >= 500000 373110193Ssimokawa#define CALLOUT_INIT(x) callout_init(x, 0 /* mpsafe */) 374108853Ssimokawa#else 375110193Ssimokawa#define CALLOUT_INIT(x) callout_init(x) 376108853Ssimokawa#endif 377110193Ssimokawa CALLOUT_INIT(&sc->fc->timeout_callout); 378110193Ssimokawa CALLOUT_INIT(&sc->fc->bmr_callout); 379110193Ssimokawa CALLOUT_INIT(&sc->fc->retry_probe_callout); 380110193Ssimokawa CALLOUT_INIT(&sc->fc->busprobe_callout); 381108853Ssimokawa 382110193Ssimokawa callout_reset(&sc->fc->timeout_callout, hz * 10, 383110193Ssimokawa (void *)sc->fc->timeout, (void *)sc->fc); 384110193Ssimokawa 385103285Sikob /* Locate our children */ 386103285Sikob bus_generic_probe(dev); 387103285Sikob 388103285Sikob /* launch attachement of the added children */ 389103285Sikob bus_generic_attach(dev); 390103285Sikob 391103285Sikob /* bus_reset */ 392103285Sikob fc->ibr(fc); 393103285Sikob 394103285Sikob return 0; 395103285Sikob} 396103285Sikob 397103285Sikob/* 398103285Sikob * Attach it as child. 399103285Sikob */ 400103285Sikobstatic device_t 401103285Sikobfirewire_add_child(device_t dev, int order, const char *name, int unit) 402103285Sikob{ 403103285Sikob device_t child; 404103285Sikob struct firewire_softc *sc; 405103285Sikob 406103285Sikob sc = (struct firewire_softc *)device_get_softc(dev); 407103285Sikob child = device_add_child(dev, name, unit); 408103285Sikob if (child) { 409103285Sikob device_set_ivars(child, sc->fc); 410103285Sikob device_probe_and_attach(child); 411103285Sikob } 412103285Sikob 413103285Sikob return child; 414103285Sikob} 415106790Ssimokawa 416103285Sikob/* 417103285Sikob * Dettach it. 418103285Sikob */ 419103285Sikobstatic int 420103285Sikobfirewire_detach( device_t dev ) 421103285Sikob{ 422103285Sikob struct firewire_softc *sc; 423103285Sikob 424103285Sikob sc = (struct firewire_softc *)device_get_softc(dev); 425106790Ssimokawa 426103285Sikob#if __FreeBSD_version >= 500000 427103285Sikob destroy_dev(sc->dev); 428103285Sikob#else 429103285Sikob { 430103285Sikob int j; 431103285Sikob for (j = 0 ; j < sc->fc->nisodma + 1; j++) 432103285Sikob destroy_dev(sc->dev[j]); 433103285Sikob } 434103285Sikob#endif 435103285Sikob /* XXX xfree_free and untimeout on all xfers */ 436110193Ssimokawa callout_stop(&sc->fc->timeout_callout); 437110193Ssimokawa callout_stop(&sc->fc->bmr_callout); 438110193Ssimokawa callout_stop(&sc->fc->retry_probe_callout); 439110193Ssimokawa callout_stop(&sc->fc->busprobe_callout); 440110195Ssimokawa free(sc->fc->topology_map, M_FW); 441110195Ssimokawa free(sc->fc->speed_map, M_FW); 442103285Sikob bus_generic_detach(dev); 443103285Sikob return(0); 444103285Sikob} 445103285Sikob#if 0 446103285Sikobstatic int 447103285Sikobfirewire_shutdown( device_t dev ) 448103285Sikob{ 449103285Sikob return 0; 450103285Sikob} 451103285Sikob#endif 452106790Ssimokawa 453103285Sikob/* 454106790Ssimokawa * Called after bus reset. 455103285Sikob */ 456106790Ssimokawavoid 457106790Ssimokawafw_busreset(struct firewire_comm *fc) 458103285Sikob{ 459103285Sikob int i; 460103285Sikob struct fw_xfer *xfer; 461103285Sikob 462103285Sikob switch(fc->status){ 463103285Sikob case FWBUSMGRELECT: 464110193Ssimokawa callout_stop(&fc->bmr_callout); 465103285Sikob break; 466103285Sikob default: 467103285Sikob break; 468103285Sikob } 469103285Sikob fc->status = FWBUSRESET; 470103285Sikob/* XXX: discard all queued packet */ 471103285Sikob while((xfer = STAILQ_FIRST(&fc->atq->q)) != NULL){ 472103285Sikob STAILQ_REMOVE_HEAD(&fc->atq->q, link); 473103285Sikob xfer->resp = EAGAIN; 474103285Sikob switch(xfer->act_type){ 475103285Sikob case FWACT_XFER: 476103285Sikob fw_xfer_done(xfer); 477103285Sikob break; 478103285Sikob default: 479103285Sikob break; 480103285Sikob } 481103285Sikob fw_xfer_free( xfer); 482103285Sikob } 483103285Sikob while((xfer = STAILQ_FIRST(&fc->ats->q)) != NULL){ 484103285Sikob STAILQ_REMOVE_HEAD(&fc->ats->q, link); 485103285Sikob xfer->resp = EAGAIN; 486103285Sikob switch(xfer->act_type){ 487103285Sikob case FWACT_XFER: 488103285Sikob fw_xfer_done(xfer); 489103285Sikob default: 490103285Sikob break; 491103285Sikob } 492103285Sikob fw_xfer_free( xfer); 493103285Sikob } 494103285Sikob for(i = 0; i < fc->nisodma; i++) 495103285Sikob while((xfer = STAILQ_FIRST(&fc->it[i]->q)) != NULL){ 496103285Sikob STAILQ_REMOVE_HEAD(&fc->it[i]->q, link); 497103285Sikob xfer->resp = 0; 498103285Sikob switch(xfer->act_type){ 499103285Sikob case FWACT_XFER: 500103285Sikob fw_xfer_done(xfer); 501103285Sikob break; 502103285Sikob default: 503103285Sikob break; 504103285Sikob } 505103285Sikob fw_xfer_free( xfer); 506103285Sikob } 507103285Sikob 508103285Sikob CSRARC(fc, STATE_CLEAR) 509103285Sikob = 1 << 23 | 0 << 17 | 1 << 16 | 1 << 15 | 1 << 14 ; 510103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 511103285Sikob CSRARC(fc, NODE_IDS) = 0x3f; 512103285Sikob 513103285Sikob CSRARC(fc, TOPO_MAP + 8) = 0; 514103285Sikob fc->irm = -1; 515103285Sikob 516103285Sikob fc->max_node = -1; 517103285Sikob 518103285Sikob for(i = 2; i < 0x100/4 - 2 ; i++){ 519103285Sikob CSRARC(fc, SPED_MAP + i * 4) = 0; 520103285Sikob } 521103285Sikob CSRARC(fc, STATE_CLEAR) = 1 << 23 | 0 << 17 | 1 << 16 | 1 << 15 | 1 << 14 ; 522103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 523103285Sikob CSRARC(fc, RESET_START) = 0; 524103285Sikob CSRARC(fc, SPLIT_TIMEOUT_HI) = 0; 525103285Sikob CSRARC(fc, SPLIT_TIMEOUT_LO) = 800 << 19; 526103285Sikob CSRARC(fc, CYCLE_TIME) = 0x0; 527103285Sikob CSRARC(fc, BUS_TIME) = 0x0; 528103285Sikob CSRARC(fc, BUS_MGR_ID) = 0x3f; 529103285Sikob CSRARC(fc, BANDWIDTH_AV) = 4915; 530103285Sikob CSRARC(fc, CHANNELS_AV_HI) = 0xffffffff; 531103285Sikob CSRARC(fc, CHANNELS_AV_LO) = 0xffffffff; 532103285Sikob CSRARC(fc, IP_CHANNELS) = (1 << 31); 533103285Sikob 534103285Sikob CSRARC(fc, CONF_ROM) = 0x04 << 24; 535103285Sikob CSRARC(fc, CONF_ROM + 4) = 0x31333934; /* means strings 1394 */ 536103285Sikob CSRARC(fc, CONF_ROM + 8) = 1 << 31 | 1 << 30 | 1 << 29 | 537103285Sikob 1 << 28 | 0xff << 16 | 0x09 << 8; 538103285Sikob CSRARC(fc, CONF_ROM + 0xc) = 0; 539103285Sikob 540103285Sikob/* DV depend CSRs see blue book */ 541103285Sikob CSRARC(fc, oPCR) &= ~DV_BROADCAST_ON; 542103285Sikob CSRARC(fc, iPCR) &= ~DV_BROADCAST_ON; 543103285Sikob 544103285Sikob CSRARC(fc, STATE_CLEAR) &= ~(1 << 23 | 1 << 15 | 1 << 14 ); 545103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 546103285Sikob} 547106790Ssimokawa 548103285Sikob/* Call once after reboot */ 549106790Ssimokawavoid fw_init(struct firewire_comm *fc) 550103285Sikob{ 551103285Sikob int i; 552106543Ssimokawa struct csrdir *csrd; 553106543Ssimokawa#ifdef FW_VMACCESS 554103285Sikob struct fw_xfer *xfer; 555103285Sikob struct fw_bind *fwb; 556106543Ssimokawa#endif 557103285Sikob 558103285Sikob fc->max_asyretry = FW_MAXASYRTY; 559103285Sikob 560103285Sikob fc->arq->queued = 0; 561103285Sikob fc->ars->queued = 0; 562103285Sikob fc->atq->queued = 0; 563103285Sikob fc->ats->queued = 0; 564103285Sikob 565109379Ssimokawa fc->arq->psize = PAGE_SIZE; 566109379Ssimokawa fc->ars->psize = PAGE_SIZE; 567109379Ssimokawa fc->atq->psize = 0; 568109379Ssimokawa fc->ats->psize = 0; 569103285Sikob 570103285Sikob 571103285Sikob fc->arq->buf = NULL; 572103285Sikob fc->ars->buf = NULL; 573103285Sikob fc->atq->buf = NULL; 574103285Sikob fc->ats->buf = NULL; 575103285Sikob 576103285Sikob fc->arq->flag = FWXFERQ_PACKET; 577103285Sikob fc->ars->flag = FWXFERQ_PACKET; 578103285Sikob fc->atq->flag = FWXFERQ_PACKET; 579103285Sikob fc->ats->flag = FWXFERQ_PACKET; 580103285Sikob 581103285Sikob STAILQ_INIT(&fc->atq->q); 582103285Sikob STAILQ_INIT(&fc->ats->q); 583103285Sikob 584103285Sikob for( i = 0 ; i < fc->nisodma ; i ++ ){ 585103285Sikob fc->it[i]->queued = 0; 586103285Sikob fc->ir[i]->queued = 0; 587103285Sikob 588103285Sikob fc->it[i]->start = NULL; 589103285Sikob fc->ir[i]->start = NULL; 590103285Sikob 591103285Sikob fc->it[i]->buf = NULL; 592103285Sikob fc->ir[i]->buf = NULL; 593103285Sikob 594103285Sikob fc->it[i]->flag = FWXFERQ_STREAM; 595103285Sikob fc->ir[i]->flag = FWXFERQ_STREAM; 596103285Sikob 597103285Sikob STAILQ_INIT(&fc->it[i]->q); 598103285Sikob STAILQ_INIT(&fc->ir[i]->q); 599103285Sikob 600103285Sikob STAILQ_INIT(&fc->it[i]->binds); 601103285Sikob STAILQ_INIT(&fc->ir[i]->binds); 602103285Sikob } 603103285Sikob 604103285Sikob fc->arq->maxq = FWMAXQUEUE; 605103285Sikob fc->ars->maxq = FWMAXQUEUE; 606103285Sikob fc->atq->maxq = FWMAXQUEUE; 607103285Sikob fc->ats->maxq = FWMAXQUEUE; 608103285Sikob 609103285Sikob for( i = 0 ; i < fc->nisodma ; i++){ 610103285Sikob fc->ir[i]->maxq = FWMAXQUEUE; 611103285Sikob fc->it[i]->maxq = FWMAXQUEUE; 612103285Sikob } 613103285Sikob/* Initialize csr registers */ 614103285Sikob fc->topology_map = (struct fw_topology_map *)malloc( 615103285Sikob sizeof(struct fw_topology_map), 616110195Ssimokawa M_FW, M_NOWAIT | M_ZERO); 617103285Sikob fc->speed_map = (struct fw_speed_map *)malloc( 618103285Sikob sizeof(struct fw_speed_map), 619110195Ssimokawa M_FW, M_NOWAIT | M_ZERO); 620103285Sikob CSRARC(fc, TOPO_MAP) = 0x3f1 << 16; 621103285Sikob CSRARC(fc, TOPO_MAP + 4) = 1; 622103285Sikob CSRARC(fc, SPED_MAP) = 0x3f1 << 16; 623103285Sikob CSRARC(fc, SPED_MAP + 4) = 1; 624103285Sikob 625110193Ssimokawa STAILQ_INIT(&fc->devices); 626103285Sikob STAILQ_INIT(&fc->pending); 627103285Sikob 628103285Sikob/* Initialize csr ROM work space */ 629103285Sikob SLIST_INIT(&fc->ongocsr); 630103285Sikob SLIST_INIT(&fc->csrfree); 631103285Sikob for( i = 0 ; i < FWMAXCSRDIR ; i++){ 632110195Ssimokawa csrd = (struct csrdir *) malloc(sizeof(struct csrdir), M_FW,M_NOWAIT); 633103285Sikob if(csrd == NULL) break; 634103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 635103285Sikob } 636103285Sikob 637103285Sikob/* Initialize Async handlers */ 638103285Sikob STAILQ_INIT(&fc->binds); 639103285Sikob for( i = 0 ; i < 0x40 ; i++){ 640103285Sikob STAILQ_INIT(&fc->tlabels[i]); 641103285Sikob } 642103285Sikob 643103285Sikob/* DV depend CSRs see blue book */ 644103285Sikob#if 0 645103285Sikob CSRARC(fc, oMPR) = 0x3fff0001; /* # output channel = 1 */ 646103285Sikob CSRARC(fc, oPCR) = 0x8000007a; 647103285Sikob for(i = 4 ; i < 0x7c/4 ; i+=4){ 648103285Sikob CSRARC(fc, i + oPCR) = 0x8000007a; 649103285Sikob } 650103285Sikob 651103285Sikob CSRARC(fc, iMPR) = 0x00ff0001; /* # input channel = 1 */ 652103285Sikob CSRARC(fc, iPCR) = 0x803f0000; 653103285Sikob for(i = 4 ; i < 0x7c/4 ; i+=4){ 654103285Sikob CSRARC(fc, i + iPCR) = 0x0; 655103285Sikob } 656103285Sikob#endif 657103285Sikob 658103285Sikob 659106543Ssimokawa#ifdef FW_VMACCESS 660103285Sikob xfer = fw_xfer_alloc(); 661103285Sikob if(xfer == NULL) return; 662103285Sikob 663110195Ssimokawa fwb = (struct fw_bind *)malloc(sizeof (struct fw_bind), M_FW, M_NOWAIT); 664103285Sikob if(fwb == NULL){ 665103285Sikob fw_xfer_free(xfer); 666103285Sikob } 667103285Sikob xfer->act.hand = fw_vmaccess; 668103285Sikob xfer->act_type = FWACT_XFER; 669103285Sikob xfer->fc = fc; 670103285Sikob xfer->sc = NULL; 671103285Sikob 672103285Sikob fwb->start_hi = 0x2; 673103285Sikob fwb->start_lo = 0; 674103285Sikob fwb->addrlen = 0xffffffff; 675103285Sikob fwb->xfer = xfer; 676103285Sikob fw_bindadd(fc, fwb); 677106543Ssimokawa#endif 678103285Sikob} 679106790Ssimokawa 680103285Sikob/* 681103285Sikob * To lookup binded process from IEEE1394 address. 682103285Sikob */ 683106813Ssimokawastruct fw_bind * 684106790Ssimokawafw_bindlookup(struct firewire_comm *fc, u_int32_t dest_hi, u_int32_t dest_lo) 685103285Sikob{ 686103285Sikob struct fw_bind *tfw; 687103285Sikob for(tfw = STAILQ_FIRST(&fc->binds) ; tfw != NULL ; 688103285Sikob tfw = STAILQ_NEXT(tfw, fclist)){ 689103285Sikob if(tfw->xfer->act_type != FWACT_NULL && 690103285Sikob tfw->start_hi == dest_hi && 691103285Sikob tfw->start_lo <= dest_lo && 692103285Sikob (tfw->start_lo + tfw->addrlen) > dest_lo){ 693103285Sikob return(tfw); 694103285Sikob } 695103285Sikob } 696103285Sikob return(NULL); 697103285Sikob} 698106790Ssimokawa 699103285Sikob/* 700103285Sikob * To bind IEEE1394 address block to process. 701103285Sikob */ 702106790Ssimokawaint 703106790Ssimokawafw_bindadd(struct firewire_comm *fc, struct fw_bind *fwb) 704103285Sikob{ 705103285Sikob struct fw_bind *tfw, *tfw2 = NULL; 706103285Sikob int err = 0; 707103285Sikob tfw = STAILQ_FIRST(&fc->binds); 708103285Sikob if(tfw == NULL){ 709103285Sikob STAILQ_INSERT_HEAD(&fc->binds, fwb, fclist); 710103285Sikob goto out; 711103285Sikob } 712103285Sikob if((tfw->start_hi > fwb->start_hi) || 713103285Sikob (tfw->start_hi == fwb->start_hi && 714103285Sikob (tfw->start_lo > (fwb->start_lo + fwb->addrlen)))){ 715103285Sikob STAILQ_INSERT_HEAD(&fc->binds, fwb, fclist); 716103285Sikob goto out; 717103285Sikob } 718103285Sikob for(; tfw != NULL; tfw = STAILQ_NEXT(tfw, fclist)){ 719103285Sikob if((tfw->start_hi < fwb->start_hi) || 720103285Sikob (tfw->start_hi == fwb->start_hi && 721103285Sikob (tfw->start_lo + tfw->addrlen) < fwb->start_lo)){ 722103285Sikob tfw2 = STAILQ_NEXT(tfw, fclist); 723103285Sikob if(tfw2 == NULL) 724103285Sikob break; 725103285Sikob if((tfw2->start_hi > fwb->start_hi) || 726103285Sikob (tfw2->start_hi == fwb->start_hi && 727103285Sikob tfw2->start_lo > (fwb->start_lo + fwb->addrlen))){ 728103285Sikob break; 729103285Sikob }else{ 730103285Sikob err = EBUSY; 731103285Sikob goto out; 732103285Sikob } 733103285Sikob } 734103285Sikob } 735103285Sikob if(tfw != NULL){ 736103285Sikob STAILQ_INSERT_AFTER(&fc->binds, tfw, fwb, fclist); 737103285Sikob }else{ 738103285Sikob STAILQ_INSERT_TAIL(&fc->binds, fwb, fclist); 739103285Sikob } 740103285Sikobout: 741103285Sikob if(!err && fwb->xfer->act_type == FWACT_CH){ 742103285Sikob STAILQ_INSERT_HEAD(&fc->ir[fwb->xfer->sub]->binds, fwb, chlist); 743103285Sikob } 744103285Sikob return err; 745103285Sikob} 746103285Sikob 747103285Sikob/* 748103285Sikob * To free IEEE1394 address block. 749103285Sikob */ 750106790Ssimokawaint 751106790Ssimokawafw_bindremove(struct firewire_comm *fc, struct fw_bind *fwb) 752103285Sikob{ 753103285Sikob int s; 754103285Sikob 755103285Sikob s = splfw(); 756103285Sikob /* shall we check the existance? */ 757103285Sikob STAILQ_REMOVE(&fc->binds, fwb, fw_bind, fclist); 758103285Sikob splx(s); 759103285Sikob if (fwb->xfer) 760103285Sikob fw_xfer_free(fwb->xfer); 761103285Sikob 762103285Sikob return 0; 763103285Sikob} 764103285Sikob 765103285Sikob/* 766103285Sikob * To free transaction label. 767103285Sikob */ 768106790Ssimokawastatic void 769106790Ssimokawafw_tl_free(struct firewire_comm *fc, struct fw_xfer *xfer) 770103285Sikob{ 771103285Sikob struct tlabel *tl; 772103285Sikob int s = splfw(); 773103285Sikob 774103285Sikob for( tl = STAILQ_FIRST(&fc->tlabels[xfer->tl]); tl != NULL; 775103285Sikob tl = STAILQ_NEXT(tl, link)){ 776103285Sikob if(tl->xfer == xfer){ 777103285Sikob STAILQ_REMOVE(&fc->tlabels[xfer->tl], tl, tlabel, link); 778110195Ssimokawa free(tl, M_FW); 779103285Sikob splx(s); 780103285Sikob return; 781103285Sikob } 782103285Sikob } 783103285Sikob splx(s); 784103285Sikob return; 785103285Sikob} 786106790Ssimokawa 787103285Sikob/* 788103285Sikob * To obtain XFER structure by transaction label. 789103285Sikob */ 790106790Ssimokawastatic struct fw_xfer * 791106790Ssimokawafw_tl2xfer(struct firewire_comm *fc, int node, int tlabel) 792103285Sikob{ 793103285Sikob struct fw_xfer *xfer; 794103285Sikob struct tlabel *tl; 795103285Sikob int s = splfw(); 796103285Sikob 797103285Sikob for( tl = STAILQ_FIRST(&fc->tlabels[tlabel]); tl != NULL; 798103285Sikob tl = STAILQ_NEXT(tl, link)){ 799103285Sikob if(tl->xfer->dst == node){ 800103285Sikob xfer = tl->xfer; 801103285Sikob splx(s); 802103285Sikob return(xfer); 803103285Sikob } 804103285Sikob } 805103285Sikob splx(s); 806103285Sikob return(NULL); 807103285Sikob} 808106790Ssimokawa 809103285Sikob/* 810103285Sikob * To allocate IEEE1394 XFER structure. 811103285Sikob */ 812106790Ssimokawastruct fw_xfer * 813110269Ssimokawafw_xfer_alloc(struct malloc_type *type) 814103285Sikob{ 815103285Sikob struct fw_xfer *xfer; 816106790Ssimokawa 817110269Ssimokawa xfer = malloc(sizeof(struct fw_xfer), type, M_NOWAIT | M_ZERO); 818106790Ssimokawa if (xfer == NULL) 819106790Ssimokawa return xfer; 820106790Ssimokawa 821103285Sikob xfer->time = time_second; 822103285Sikob xfer->sub = -1; 823110269Ssimokawa xfer->malloc = type; 824106790Ssimokawa 825103285Sikob return xfer; 826103285Sikob} 827106790Ssimokawa 828103285Sikob/* 829103285Sikob * IEEE1394 XFER post process. 830103285Sikob */ 831103285Sikobvoid 832103285Sikobfw_xfer_done(struct fw_xfer *xfer) 833103285Sikob{ 834103285Sikob if (xfer->act.hand == NULL) 835103285Sikob return; 836103285Sikob 837103285Sikob#if XFER_TIMEOUT 838103285Sikob untimeout(fw_xfer_timeout, (void *)xfer, xfer->ch); 839103285Sikob#endif 840103285Sikob 841103285Sikob if (xfer->fc->status != FWBUSRESET) 842103285Sikob xfer->act.hand(xfer); 843103285Sikob else { 844103285Sikob printf("fw_xfer_done: pending\n"); 845103285Sikob if (xfer->fc != NULL) 846103285Sikob STAILQ_INSERT_TAIL(&xfer->fc->pending, xfer, link); 847103285Sikob else 848103285Sikob panic("fw_xfer_done: why xfer->fc is NULL?"); 849103285Sikob } 850103285Sikob} 851103285Sikob 852103285Sikob/* 853103285Sikob * To free IEEE1394 XFER structure. 854103285Sikob */ 855106790Ssimokawavoid 856106790Ssimokawafw_xfer_free( struct fw_xfer* xfer) 857103285Sikob{ 858103285Sikob int s; 859103285Sikob if(xfer == NULL ) return; 860103285Sikob if(xfer->state == FWXF_INQ){ 861103285Sikob printf("fw_xfer_free FWXF_INQ\n"); 862103285Sikob s = splfw(); 863103285Sikob STAILQ_REMOVE(&xfer->q->q, xfer, fw_xfer, link); 864103285Sikob xfer->q->queued --; 865103285Sikob splx(s); 866103285Sikob } 867103285Sikob if(xfer->fc != NULL){ 868103285Sikob if(xfer->state == FWXF_START){ 869103285Sikob#if 0 /* this could happen if we call fwohci_arcv() before fwohci_txd() */ 870103285Sikob printf("fw_xfer_free FWXF_START\n"); 871103285Sikob#endif 872103285Sikob s = splfw(); 873103285Sikob xfer->q->drain(xfer->fc, xfer); 874103285Sikob splx(s); 875103285Sikob } 876103285Sikob } 877103285Sikob if(xfer->send.buf != NULL){ 878110195Ssimokawa free(xfer->send.buf, M_FW); 879103285Sikob } 880103285Sikob if(xfer->recv.buf != NULL){ 881110195Ssimokawa free(xfer->recv.buf, M_FW); 882103285Sikob } 883103285Sikob if(xfer->fc != NULL){ 884103285Sikob fw_tl_free(xfer->fc, xfer); 885103285Sikob } 886110269Ssimokawa free(xfer, xfer->malloc); 887103285Sikob} 888103285Sikob 889103285Sikobstatic void 890110072Ssimokawafw_asy_callback_free(struct fw_xfer *xfer) 891103285Sikob{ 892103285Sikob#if 0 893110072Ssimokawa printf("asyreq done state=%d resp=%d\n", 894103285Sikob xfer->state, xfer->resp); 895103285Sikob#endif 896103285Sikob fw_xfer_free(xfer); 897103285Sikob} 898103285Sikob 899103285Sikob/* 900103285Sikob * To configure PHY. 901103285Sikob */ 902103285Sikobstatic void 903103285Sikobfw_phy_config(struct firewire_comm *fc, int root_node, int gap_count) 904103285Sikob{ 905103285Sikob struct fw_xfer *xfer; 906103285Sikob struct fw_pkt *fp; 907103285Sikob 908103285Sikob fc->status = FWBUSPHYCONF; 909103285Sikob 910109280Ssimokawa#if 0 911103285Sikob DELAY(100000); 912109280Ssimokawa#endif 913110269Ssimokawa xfer = fw_xfer_alloc(M_FWXFER); 914103285Sikob xfer->send.len = 12; 915103285Sikob xfer->send.off = 0; 916103285Sikob xfer->fc = fc; 917103285Sikob xfer->retry_req = fw_asybusy; 918110072Ssimokawa xfer->act.hand = fw_asy_callback_free; 919103285Sikob 920103285Sikob xfer->send.buf = malloc(sizeof(u_int32_t), 921110195Ssimokawa M_FW, M_NOWAIT | M_ZERO); 922103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 923103285Sikob fp->mode.ld[1] = 0; 924103285Sikob if (root_node >= 0) 925103285Sikob fp->mode.ld[1] |= htonl((root_node & 0x3f) << 24 | 1 << 23); 926103285Sikob if (gap_count >= 0) 927103285Sikob fp->mode.ld[1] |= htonl(1 << 22 | (gap_count & 0x3f) << 16); 928103285Sikob fp->mode.ld[2] = ~fp->mode.ld[1]; 929103285Sikob/* XXX Dangerous, how to pass PHY packet to device driver */ 930103285Sikob fp->mode.common.tcode |= FWTCODE_PHY; 931103285Sikob 932107653Ssimokawa if (firewire_debug) 933107653Ssimokawa printf("send phy_config root_node=%d gap_count=%d\n", 934103285Sikob root_node, gap_count); 935103285Sikob fw_asyreq(fc, -1, xfer); 936103285Sikob} 937103285Sikob 938103285Sikob#if 0 939103285Sikob/* 940103285Sikob * Dump self ID. 941103285Sikob */ 942103285Sikobstatic void 943103285Sikobfw_print_sid(u_int32_t sid) 944103285Sikob{ 945103285Sikob union fw_self_id *s; 946103285Sikob s = (union fw_self_id *) &sid; 947103285Sikob printf("node:%d link:%d gap:%d spd:%d del:%d con:%d pwr:%d" 948103285Sikob " p0:%d p1:%d p2:%d i:%d m:%d\n", 949103285Sikob s->p0.phy_id, s->p0.link_active, s->p0.gap_count, 950103285Sikob s->p0.phy_speed, s->p0.phy_delay, s->p0.contender, 951103285Sikob s->p0.power_class, s->p0.port0, s->p0.port1, 952103285Sikob s->p0.port2, s->p0.initiated_reset, s->p0.more_packets); 953103285Sikob} 954103285Sikob#endif 955103285Sikob 956103285Sikob/* 957103285Sikob * To receive self ID. 958103285Sikob */ 959103285Sikobvoid fw_sidrcv(struct firewire_comm* fc, caddr_t buf, u_int len, u_int off) 960103285Sikob{ 961103285Sikob u_int32_t *p, *sid = (u_int32_t *)(buf + off); 962103285Sikob union fw_self_id *self_id; 963103285Sikob u_int i, j, node, c_port = 0, i_branch = 0; 964103285Sikob 965103285Sikob fc->sid_cnt = len /(sizeof(u_int32_t) * 2); 966103285Sikob fc->status = FWBUSINIT; 967103285Sikob fc->max_node = fc->nodeid & 0x3f; 968103285Sikob CSRARC(fc, NODE_IDS) = ((u_int32_t)fc->nodeid) << 16; 969103285Sikob fc->status = FWBUSCYMELECT; 970103285Sikob fc->topology_map->crc_len = 2; 971103285Sikob fc->topology_map->generation ++; 972103285Sikob fc->topology_map->self_id_count = 0; 973103285Sikob fc->topology_map->node_count = 0; 974103285Sikob fc->speed_map->generation ++; 975103285Sikob fc->speed_map->crc_len = 1 + (64*64 + 3) / 4; 976103285Sikob self_id = &fc->topology_map->self_id[0]; 977103285Sikob for(i = 0; i < fc->sid_cnt; i ++){ 978103285Sikob if (sid[1] != ~sid[0]) { 979103285Sikob printf("fw_sidrcv: invalid self-id packet\n"); 980103285Sikob sid += 2; 981103285Sikob continue; 982103285Sikob } 983103285Sikob *self_id = *((union fw_self_id *)sid); 984103285Sikob fc->topology_map->crc_len++; 985103285Sikob if(self_id->p0.sequel == 0){ 986103285Sikob fc->topology_map->node_count ++; 987103285Sikob c_port = 0; 988103285Sikob#if 0 989103285Sikob fw_print_sid(sid[0]); 990103285Sikob#endif 991103285Sikob node = self_id->p0.phy_id; 992103285Sikob if(fc->max_node < node){ 993103285Sikob fc->max_node = self_id->p0.phy_id; 994103285Sikob } 995103285Sikob /* XXX I'm not sure this is the right speed_map */ 996103285Sikob fc->speed_map->speed[node][node] 997103285Sikob = self_id->p0.phy_speed; 998103285Sikob for (j = 0; j < node; j ++) { 999103285Sikob fc->speed_map->speed[j][node] 1000103285Sikob = fc->speed_map->speed[node][j] 1001103285Sikob = min(fc->speed_map->speed[j][j], 1002103285Sikob self_id->p0.phy_speed); 1003103285Sikob } 1004103285Sikob if ((fc->irm == -1 || self_id->p0.phy_id > fc->irm) && 1005103285Sikob (self_id->p0.link_active && self_id->p0.contender)) { 1006103285Sikob fc->irm = self_id->p0.phy_id; 1007103285Sikob } 1008103285Sikob if(self_id->p0.port0 >= 0x2){ 1009103285Sikob c_port++; 1010103285Sikob } 1011103285Sikob if(self_id->p0.port1 >= 0x2){ 1012103285Sikob c_port++; 1013103285Sikob } 1014103285Sikob if(self_id->p0.port2 >= 0x2){ 1015103285Sikob c_port++; 1016103285Sikob } 1017103285Sikob } 1018103285Sikob if(c_port > 2){ 1019103285Sikob i_branch += (c_port - 2); 1020103285Sikob } 1021103285Sikob sid += 2; 1022103285Sikob self_id++; 1023103285Sikob fc->topology_map->self_id_count ++; 1024103285Sikob } 1025108655Ssimokawa device_printf(fc->bdev, "%d nodes", fc->max_node + 1); 1026103285Sikob /* CRC */ 1027103285Sikob fc->topology_map->crc = fw_crc16( 1028103285Sikob (u_int32_t *)&fc->topology_map->generation, 1029103285Sikob fc->topology_map->crc_len * 4); 1030103285Sikob fc->speed_map->crc = fw_crc16( 1031103285Sikob (u_int32_t *)&fc->speed_map->generation, 1032103285Sikob fc->speed_map->crc_len * 4); 1033103285Sikob /* byteswap and copy to CSR */ 1034103285Sikob p = (u_int32_t *)fc->topology_map; 1035103285Sikob for (i = 0; i <= fc->topology_map->crc_len; i++) 1036103285Sikob CSRARC(fc, TOPO_MAP + i * 4) = htonl(*p++); 1037103285Sikob p = (u_int32_t *)fc->speed_map; 1038103285Sikob CSRARC(fc, SPED_MAP) = htonl(*p++); 1039103285Sikob CSRARC(fc, SPED_MAP + 4) = htonl(*p++); 1040103285Sikob /* don't byte-swap u_int8_t array */ 1041103285Sikob bcopy(p, &CSRARC(fc, SPED_MAP + 8), (fc->speed_map->crc_len - 1)*4); 1042103285Sikob 1043103285Sikob fc->max_hop = fc->max_node - i_branch; 1044103285Sikob#if 1 1045103285Sikob printf(", maxhop <= %d", fc->max_hop); 1046103285Sikob#endif 1047103285Sikob 1048103285Sikob if(fc->irm == -1 ){ 1049103285Sikob printf(", Not found IRM capable node"); 1050103285Sikob }else{ 1051103285Sikob printf(", cable IRM = %d", fc->irm); 1052103285Sikob if (fc->irm == fc->nodeid) 1053110016Ssimokawa printf(" (me)"); 1054103285Sikob } 1055110016Ssimokawa printf("\n"); 1056103285Sikob 1057109736Ssimokawa if (try_bmr && (fc->irm != -1) && (CSRARC(fc, BUS_MGR_ID) == 0x3f)) { 1058109736Ssimokawa if (fc->irm == ((CSRARC(fc, NODE_IDS) >> 16 ) & 0x3f)) { 1059103285Sikob fc->status = FWBUSMGRDONE; 1060103285Sikob CSRARC(fc, BUS_MGR_ID) = fc->set_bmr(fc, fc->irm); 1061109736Ssimokawa } else { 1062103285Sikob fc->status = FWBUSMGRELECT; 1063110193Ssimokawa callout_reset(&fc->bmr_callout, hz/8, 1064110193Ssimokawa (void *)fw_try_bmr, (void *)fc); 1065103285Sikob } 1066109736Ssimokawa } else { 1067103285Sikob fc->status = FWBUSMGRDONE; 1068109736Ssimokawa#if 0 1069108655Ssimokawa device_printf(fc->bdev, "BMR = %x\n", 1070108655Ssimokawa CSRARC(fc, BUS_MGR_ID)); 1071109736Ssimokawa#endif 1072103285Sikob } 1073110195Ssimokawa free(buf, M_FW); 1074103285Sikob if(fc->irm == ((CSRARC(fc, NODE_IDS) >> 16 ) & 0x3f)){ 1075110072Ssimokawa /* I am BMGR */ 1076110072Ssimokawa fw_bmr(fc); 1077103285Sikob } 1078108853Ssimokawa callout_reset(&fc->busprobe_callout, hz/4, 1079108853Ssimokawa (void *)fw_bus_probe, (void *)fc); 1080103285Sikob} 1081106790Ssimokawa 1082103285Sikob/* 1083103285Sikob * To probe devices on the IEEE1394 bus. 1084103285Sikob */ 1085106790Ssimokawastatic void 1086106790Ssimokawafw_bus_probe(struct firewire_comm *fc) 1087103285Sikob{ 1088103285Sikob int s; 1089103285Sikob struct fw_device *fwdev, *next; 1090103285Sikob 1091103285Sikob s = splfw(); 1092103285Sikob fc->status = FWBUSEXPLORE; 1093103285Sikob fc->retry_count = 0; 1094103285Sikob 1095103285Sikob/* 1096103285Sikob * Invalidate all devices, just after bus reset. Devices 1097103285Sikob * to be removed has not been seen longer time. 1098103285Sikob */ 1099110193Ssimokawa for (fwdev = STAILQ_FIRST(&fc->devices); fwdev != NULL; fwdev = next) { 1100110193Ssimokawa next = STAILQ_NEXT(fwdev, link); 1101110193Ssimokawa if (fwdev->status != FWDEVINVAL) { 1102103285Sikob fwdev->status = FWDEVINVAL; 1103103285Sikob fwdev->rcnt = 0; 1104110193Ssimokawa } else if(fwdev->rcnt < FW_MAXDEVRCNT) { 1105103285Sikob fwdev->rcnt ++; 1106110193Ssimokawa } else { 1107110193Ssimokawa STAILQ_REMOVE(&fc->devices, fwdev, fw_device, link); 1108110195Ssimokawa free(fwdev, M_FW); 1109103285Sikob } 1110103285Sikob } 1111103285Sikob fc->ongonode = 0; 1112103285Sikob fc->ongoaddr = CSRROMOFF; 1113103285Sikob fc->ongodev = NULL; 1114103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1115103285Sikob fw_bus_explore(fc); 1116103285Sikob splx(s); 1117103285Sikob} 1118106790Ssimokawa 1119103285Sikob/* 1120103285Sikob * To collect device informations on the IEEE1394 bus. 1121103285Sikob */ 1122106790Ssimokawastatic void 1123106790Ssimokawafw_bus_explore(struct firewire_comm *fc ) 1124103285Sikob{ 1125103285Sikob int err = 0; 1126110179Ssimokawa struct fw_device *fwdev, *pfwdev, *tfwdev; 1127103285Sikob u_int32_t addr; 1128103285Sikob struct fw_xfer *xfer; 1129103285Sikob struct fw_pkt *fp; 1130103285Sikob 1131103285Sikob if(fc->status != FWBUSEXPLORE) 1132103285Sikob return; 1133103285Sikob 1134103285Sikobloop: 1135103285Sikob if(fc->ongonode == fc->nodeid) fc->ongonode++; 1136103285Sikob 1137103285Sikob if(fc->ongonode > fc->max_node) goto done; 1138103285Sikob if(fc->ongonode >= 0x3f) goto done; 1139103285Sikob 1140103285Sikob /* check link */ 1141103285Sikob /* XXX we need to check phy_id first */ 1142103285Sikob if (!fc->topology_map->self_id[fc->ongonode].p0.link_active) { 1143103285Sikob printf("fw_bus_explore: node %d link down\n", fc->ongonode); 1144103285Sikob fc->ongonode++; 1145103285Sikob goto loop; 1146103285Sikob } 1147103285Sikob 1148103285Sikob if(fc->ongoaddr <= CSRROMOFF && 1149103285Sikob fc->ongoeui.hi == 0xffffffff && 1150103285Sikob fc->ongoeui.lo == 0xffffffff ){ 1151103285Sikob fc->ongoaddr = CSRROMOFF; 1152103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1153103285Sikob }else if(fc->ongoeui.hi == 0xffffffff ){ 1154103285Sikob fc->ongoaddr = CSRROMOFF + 0xc; 1155103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1156103285Sikob }else if(fc->ongoeui.lo == 0xffffffff ){ 1157103285Sikob fc->ongoaddr = CSRROMOFF + 0x10; 1158103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1159103285Sikob }else if(fc->ongodev == NULL){ 1160110193Ssimokawa STAILQ_FOREACH(fwdev, &fc->devices, link) 1161110193Ssimokawa if (FW_EUI64_EQUAL(fwdev->eui, fc->ongoeui)) 1162103285Sikob break; 1163103285Sikob if(fwdev != NULL){ 1164103285Sikob fwdev->dst = fc->ongonode; 1165103285Sikob fwdev->status = FWDEVATTACHED; 1166103285Sikob fc->ongonode++; 1167103285Sikob fc->ongoaddr = CSRROMOFF; 1168103285Sikob fc->ongodev = NULL; 1169103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1170103285Sikob goto loop; 1171103285Sikob } 1172110195Ssimokawa fwdev = malloc(sizeof(struct fw_device), M_FW, M_NOWAIT); 1173103285Sikob if(fwdev == NULL) 1174103285Sikob return; 1175106810Ssimokawa fwdev->fc = fc; 1176103285Sikob fwdev->rommax = 0; 1177103285Sikob fwdev->dst = fc->ongonode; 1178103285Sikob fwdev->eui.hi = fc->ongoeui.hi; fwdev->eui.lo = fc->ongoeui.lo; 1179103285Sikob fwdev->status = FWDEVINIT; 1180103285Sikob#if 0 1181103285Sikob fwdev->speed = CSRARC(fc, SPED_MAP + 8 + fc->ongonode / 4) 1182103285Sikob >> ((3 - (fc->ongonode % 4)) * 8); 1183103285Sikob#else 1184103285Sikob fwdev->speed = fc->speed_map->speed[fc->nodeid][fc->ongonode]; 1185103285Sikob#endif 1186103285Sikob 1187110179Ssimokawa pfwdev = NULL; 1188110193Ssimokawa STAILQ_FOREACH(tfwdev, &fc->devices, link) { 1189110179Ssimokawa if (tfwdev->eui.hi > fwdev->eui.hi || 1190110179Ssimokawa (tfwdev->eui.hi == fwdev->eui.hi && 1191110179Ssimokawa tfwdev->eui.lo > fwdev->eui.lo)) 1192110179Ssimokawa break; 1193110179Ssimokawa pfwdev = tfwdev; 1194103285Sikob } 1195110179Ssimokawa if (pfwdev == NULL) 1196110193Ssimokawa STAILQ_INSERT_HEAD(&fc->devices, fwdev, link); 1197110179Ssimokawa else 1198110193Ssimokawa STAILQ_INSERT_AFTER(&fc->devices, pfwdev, fwdev, link); 1199103285Sikob 1200108655Ssimokawa device_printf(fc->bdev, "New %s device ID:%08x%08x\n", 1201107653Ssimokawa linkspeed[fwdev->speed], 1202107653Ssimokawa fc->ongoeui.hi, fc->ongoeui.lo); 1203103285Sikob 1204103285Sikob fc->ongodev = fwdev; 1205103285Sikob fc->ongoaddr = CSRROMOFF; 1206103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1207103285Sikob }else{ 1208103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1209103285Sikob } 1210103285Sikob#if 0 1211103285Sikob xfer = asyreqq(fc, FWSPD_S100, 0, 0, 1212103285Sikob ((FWLOCALBUS | fc->ongonode) << 16) | 0xffff , addr, 1213103285Sikob fw_bus_explore_callback); 1214103285Sikob if(xfer == NULL) goto done; 1215103285Sikob#else 1216110269Ssimokawa xfer = fw_xfer_alloc(M_FWXFER); 1217103285Sikob if(xfer == NULL){ 1218103285Sikob goto done; 1219103285Sikob } 1220103285Sikob xfer->send.len = 16; 1221103285Sikob xfer->spd = 0; 1222110195Ssimokawa xfer->send.buf = malloc(16, M_FW, M_NOWAIT); 1223103285Sikob if(xfer->send.buf == NULL){ 1224103285Sikob fw_xfer_free( xfer); 1225103285Sikob return; 1226103285Sikob } 1227103285Sikob 1228103285Sikob xfer->send.off = 0; 1229103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 1230103285Sikob fp->mode.rreqq.dest_hi = htons(0xffff); 1231103285Sikob fp->mode.rreqq.tlrt = 0; 1232103285Sikob fp->mode.rreqq.tcode = FWTCODE_RREQQ; 1233103285Sikob fp->mode.rreqq.pri = 0; 1234103285Sikob fp->mode.rreqq.src = 0; 1235103285Sikob xfer->dst = FWLOCALBUS | fc->ongonode; 1236103285Sikob fp->mode.rreqq.dst = htons(xfer->dst); 1237103285Sikob fp->mode.rreqq.dest_lo = htonl(addr); 1238103285Sikob xfer->act.hand = fw_bus_explore_callback; 1239103285Sikob 1240103285Sikob err = fw_asyreq(fc, -1, xfer); 1241103285Sikob if(err){ 1242103285Sikob fw_xfer_free( xfer); 1243103285Sikob return; 1244103285Sikob } 1245103285Sikob#endif 1246103285Sikob return; 1247103285Sikobdone: 1248103285Sikob /* fw_attach_devs */ 1249103285Sikob fc->status = FWBUSEXPDONE; 1250107653Ssimokawa if (firewire_debug) 1251107653Ssimokawa printf("bus_explore done\n"); 1252103285Sikob fw_attach_dev(fc); 1253103285Sikob return; 1254103285Sikob 1255103285Sikob} 1256106790Ssimokawa 1257103285Sikob/* Portable Async. request read quad */ 1258106790Ssimokawastruct fw_xfer * 1259106790Ssimokawaasyreqq(struct firewire_comm *fc, u_int8_t spd, u_int8_t tl, u_int8_t rt, 1260105620Ssimokawa u_int32_t addr_hi, u_int32_t addr_lo, 1261105620Ssimokawa void (*hand) __P((struct fw_xfer*))) 1262103285Sikob{ 1263103285Sikob struct fw_xfer *xfer; 1264103285Sikob struct fw_pkt *fp; 1265103285Sikob int err; 1266103285Sikob 1267110269Ssimokawa xfer = fw_xfer_alloc(M_FWXFER); 1268103285Sikob if(xfer == NULL){ 1269103285Sikob return NULL; 1270103285Sikob } 1271103285Sikob xfer->send.len = 16; 1272103285Sikob xfer->spd = spd; /* XXX:min(spd, fc->spd) */ 1273110195Ssimokawa xfer->send.buf = malloc(16, M_FW, M_NOWAIT); 1274103285Sikob if(xfer->send.buf == NULL){ 1275103285Sikob fw_xfer_free( xfer); 1276103285Sikob return NULL; 1277103285Sikob } 1278103285Sikob 1279103285Sikob xfer->send.off = 0; 1280103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 1281103285Sikob fp->mode.rreqq.dest_hi = htons(addr_hi & 0xffff); 1282103285Sikob if(tl & FWP_TL_VALID){ 1283103285Sikob fp->mode.rreqq.tlrt = (tl & 0x3f) << 2; 1284103285Sikob }else{ 1285103285Sikob fp->mode.rreqq.tlrt = 0; 1286103285Sikob } 1287103285Sikob fp->mode.rreqq.tlrt |= rt & 0x3; 1288103285Sikob fp->mode.rreqq.tcode = FWTCODE_RREQQ; 1289103285Sikob fp->mode.rreqq.pri = 0; 1290103285Sikob fp->mode.rreqq.src = 0; 1291103285Sikob xfer->dst = addr_hi >> 16; 1292103285Sikob fp->mode.rreqq.dst = htons(xfer->dst); 1293103285Sikob fp->mode.rreqq.dest_lo = htonl(addr_lo); 1294103285Sikob xfer->act.hand = hand; 1295103285Sikob 1296103285Sikob err = fw_asyreq(fc, -1, xfer); 1297103285Sikob if(err){ 1298103285Sikob fw_xfer_free( xfer); 1299103285Sikob return NULL; 1300103285Sikob } 1301103285Sikob return xfer; 1302103285Sikob} 1303106790Ssimokawa 1304103285Sikob/* 1305103285Sikob * Callback for the IEEE1394 bus information collection. 1306103285Sikob */ 1307106790Ssimokawastatic void 1308106790Ssimokawafw_bus_explore_callback(struct fw_xfer *xfer) 1309106790Ssimokawa{ 1310103285Sikob struct firewire_comm *fc; 1311103285Sikob struct fw_pkt *sfp,*rfp; 1312103285Sikob struct csrhdr *chdr; 1313103285Sikob struct csrdir *csrd; 1314103285Sikob struct csrreg *csrreg; 1315103285Sikob u_int32_t offset; 1316103285Sikob 1317103285Sikob 1318103285Sikob if(xfer == NULL) return; 1319103285Sikob fc = xfer->fc; 1320103285Sikob if(xfer->resp != 0){ 1321103285Sikob printf("resp != 0: node=%d addr=0x%x\n", 1322103285Sikob fc->ongonode, fc->ongoaddr); 1323103285Sikob fc->retry_count++; 1324103285Sikob goto nextnode; 1325103285Sikob } 1326103285Sikob 1327103285Sikob if(xfer->send.buf == NULL){ 1328103285Sikob printf("send.buf == NULL: node=%d addr=0x%x\n", 1329103285Sikob fc->ongonode, fc->ongoaddr); 1330103285Sikob printf("send.buf == NULL\n"); 1331103285Sikob fc->retry_count++; 1332103285Sikob goto nextnode; 1333103285Sikob } 1334103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 1335103285Sikob 1336103285Sikob if(xfer->recv.buf == NULL){ 1337103285Sikob printf("recv.buf == NULL: node=%d addr=0x%x\n", 1338103285Sikob fc->ongonode, fc->ongoaddr); 1339103285Sikob fc->retry_count++; 1340103285Sikob goto nextnode; 1341103285Sikob } 1342103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 1343103285Sikob#if 0 1344103285Sikob { 1345103285Sikob u_int32_t *qld; 1346103285Sikob int i; 1347103285Sikob qld = (u_int32_t *)xfer->recv.buf; 1348103285Sikob printf("len:%d\n", xfer->recv.len); 1349103285Sikob for( i = 0 ; i <= xfer->recv.len && i < 32; i+= 4){ 1350103285Sikob printf("0x%08x ", ntohl(rfp->mode.ld[i/4])); 1351103285Sikob if((i % 16) == 15) printf("\n"); 1352103285Sikob } 1353103285Sikob if((i % 16) != 15) printf("\n"); 1354103285Sikob } 1355103285Sikob#endif 1356103285Sikob if(fc->ongodev == NULL){ 1357103285Sikob if(sfp->mode.rreqq.dest_lo == htonl((0xf0000000 | CSRROMOFF))){ 1358103285Sikob rfp->mode.rresq.data = ntohl(rfp->mode.rresq.data); 1359103285Sikob chdr = (struct csrhdr *)(&rfp->mode.rresq.data); 1360103285Sikob/* If CSR is minimul confinguration, more investgation is not needed. */ 1361103285Sikob if(chdr->info_len == 1){ 1362103285Sikob goto nextnode; 1363103285Sikob }else{ 1364103285Sikob fc->ongoaddr = CSRROMOFF + 0xc; 1365103285Sikob } 1366103285Sikob }else if(sfp->mode.rreqq.dest_lo == htonl((0xf0000000 |(CSRROMOFF + 0xc)))){ 1367103285Sikob fc->ongoeui.hi = ntohl(rfp->mode.rresq.data); 1368103285Sikob fc->ongoaddr = CSRROMOFF + 0x10; 1369103285Sikob }else if(sfp->mode.rreqq.dest_lo == htonl((0xf0000000 |(CSRROMOFF + 0x10)))){ 1370103285Sikob fc->ongoeui.lo = ntohl(rfp->mode.rresq.data); 1371103285Sikob if (fc->ongoeui.hi == 0 && fc->ongoeui.lo == 0) 1372103285Sikob goto nextnode; 1373103285Sikob fc->ongoaddr = CSRROMOFF; 1374103285Sikob } 1375103285Sikob }else{ 1376103285Sikob fc->ongodev->csrrom[(fc->ongoaddr - CSRROMOFF)/4] = ntohl(rfp->mode.rresq.data); 1377103285Sikob if(fc->ongoaddr > fc->ongodev->rommax){ 1378103285Sikob fc->ongodev->rommax = fc->ongoaddr; 1379103285Sikob } 1380103285Sikob csrd = SLIST_FIRST(&fc->ongocsr); 1381103285Sikob if((csrd = SLIST_FIRST(&fc->ongocsr)) == NULL){ 1382103285Sikob chdr = (struct csrhdr *)(fc->ongodev->csrrom); 1383103285Sikob offset = CSRROMOFF; 1384103285Sikob }else{ 1385103285Sikob chdr = (struct csrhdr *)&fc->ongodev->csrrom[(csrd->off - CSRROMOFF)/4]; 1386103285Sikob offset = csrd->off; 1387103285Sikob } 1388103285Sikob if(fc->ongoaddr > (CSRROMOFF + 0x14) && fc->ongoaddr != offset){ 1389103285Sikob csrreg = (struct csrreg *)&fc->ongodev->csrrom[(fc->ongoaddr - CSRROMOFF)/4]; 1390103285Sikob if( csrreg->key == 0x81 || csrreg->key == 0xd1){ 1391103285Sikob csrd = SLIST_FIRST(&fc->csrfree); 1392103285Sikob if(csrd == NULL){ 1393103285Sikob goto nextnode; 1394103285Sikob }else{ 1395103285Sikob csrd->ongoaddr = fc->ongoaddr; 1396103285Sikob fc->ongoaddr += csrreg->val * 4; 1397103285Sikob csrd->off = fc->ongoaddr; 1398103285Sikob SLIST_REMOVE_HEAD(&fc->csrfree, link); 1399103285Sikob SLIST_INSERT_HEAD(&fc->ongocsr, csrd, link); 1400103285Sikob goto nextaddr; 1401103285Sikob } 1402103285Sikob } 1403103285Sikob } 1404103285Sikob fc->ongoaddr += 4; 1405103285Sikob if(((fc->ongoaddr - offset)/4 > chdr->crc_len) && 1406103285Sikob (fc->ongodev->rommax < 0x414)){ 1407103285Sikob if(fc->ongodev->rommax <= 0x414){ 1408103285Sikob csrd = SLIST_FIRST(&fc->csrfree); 1409103285Sikob if(csrd == NULL) goto nextnode; 1410103285Sikob csrd->off = fc->ongoaddr; 1411103285Sikob csrd->ongoaddr = fc->ongoaddr; 1412103285Sikob SLIST_REMOVE_HEAD(&fc->csrfree, link); 1413103285Sikob SLIST_INSERT_HEAD(&fc->ongocsr, csrd, link); 1414103285Sikob } 1415103285Sikob goto nextaddr; 1416103285Sikob } 1417103285Sikob 1418103285Sikob while(((fc->ongoaddr - offset)/4 > chdr->crc_len)){ 1419103285Sikob if(csrd == NULL){ 1420103285Sikob goto nextnode; 1421103285Sikob }; 1422103285Sikob fc->ongoaddr = csrd->ongoaddr + 4; 1423103285Sikob SLIST_REMOVE_HEAD(&fc->ongocsr, link); 1424103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 1425103285Sikob csrd = SLIST_FIRST(&fc->ongocsr); 1426103285Sikob if((csrd = SLIST_FIRST(&fc->ongocsr)) == NULL){ 1427103285Sikob chdr = (struct csrhdr *)(fc->ongodev->csrrom); 1428103285Sikob offset = CSRROMOFF; 1429103285Sikob }else{ 1430103285Sikob chdr = (struct csrhdr *)&(fc->ongodev->csrrom[(csrd->off - CSRROMOFF)/4]); 1431103285Sikob offset = csrd->off; 1432103285Sikob } 1433103285Sikob } 1434103285Sikob if((fc->ongoaddr - CSRROMOFF) > CSRROMSIZE){ 1435103285Sikob goto nextnode; 1436103285Sikob } 1437103285Sikob } 1438103285Sikobnextaddr: 1439103285Sikob fw_xfer_free( xfer); 1440103285Sikob fw_bus_explore(fc); 1441103285Sikob return; 1442103285Sikobnextnode: 1443103285Sikob fw_xfer_free( xfer); 1444103285Sikob fc->ongonode++; 1445103285Sikob/* housekeeping work space */ 1446103285Sikob fc->ongoaddr = CSRROMOFF; 1447103285Sikob fc->ongodev = NULL; 1448103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1449103285Sikob while((csrd = SLIST_FIRST(&fc->ongocsr)) != NULL){ 1450103285Sikob SLIST_REMOVE_HEAD(&fc->ongocsr, link); 1451103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 1452103285Sikob } 1453103285Sikob fw_bus_explore(fc); 1454103285Sikob return; 1455103285Sikob} 1456103285Sikob 1457103285Sikob/* 1458103285Sikob * To obtain CSR register values. 1459103285Sikob */ 1460106815Ssimokawau_int32_t 1461106815Ssimokawagetcsrdata(struct fw_device *fwdev, u_int8_t key) 1462103285Sikob{ 1463103285Sikob int i; 1464103285Sikob struct csrhdr *chdr; 1465103285Sikob struct csrreg *creg; 1466103285Sikob chdr = (struct csrhdr *)&fwdev->csrrom[0]; 1467103285Sikob for( i = chdr->info_len + 4; i <= fwdev->rommax - CSRROMOFF; i+=4){ 1468103285Sikob creg = (struct csrreg *)&fwdev->csrrom[i/4]; 1469103285Sikob if(creg->key == key){ 1470103285Sikob return (u_int32_t)creg->val; 1471103285Sikob } 1472103285Sikob } 1473103285Sikob return 0; 1474103285Sikob} 1475106815Ssimokawa 1476103285Sikob/* 1477103285Sikob * To attach sub-devices layer onto IEEE1394 bus. 1478103285Sikob */ 1479106815Ssimokawastatic void 1480106815Ssimokawafw_attach_dev(struct firewire_comm *fc) 1481103285Sikob{ 1482103285Sikob struct fw_device *fwdev; 1483103285Sikob struct fw_xfer *xfer; 1484103285Sikob int i, err; 1485103285Sikob device_t *devlistp; 1486103285Sikob int devcnt; 1487103285Sikob struct firewire_dev_comm *fdc; 1488108701Ssimokawa u_int32_t spec, ver; 1489103285Sikob 1490110193Ssimokawa STAILQ_FOREACH(fwdev, &fc->devices, link) { 1491103285Sikob if(fwdev->status == FWDEVINIT){ 1492108701Ssimokawa spec = getcsrdata(fwdev, CSRKEY_SPEC); 1493108701Ssimokawa if(spec == 0) 1494103285Sikob continue; 1495108701Ssimokawa ver = getcsrdata(fwdev, CSRKEY_VER); 1496108701Ssimokawa if(ver == 0) 1497103285Sikob continue; 1498103285Sikob fwdev->maxrec = (fwdev->csrrom[2] >> 12) & 0xf; 1499103285Sikob 1500108655Ssimokawa device_printf(fc->bdev, "Device "); 1501108701Ssimokawa switch(spec){ 1502103285Sikob case CSRVAL_ANSIT10: 1503108701Ssimokawa switch(ver){ 1504103285Sikob case CSRVAL_T10SBP2: 1505107653Ssimokawa printf("SBP-II"); 1506103285Sikob break; 1507103285Sikob default: 1508103285Sikob break; 1509103285Sikob } 1510103285Sikob break; 1511103285Sikob case CSRVAL_1394TA: 1512108701Ssimokawa switch(ver){ 1513103285Sikob case CSR_PROTAVC: 1514107653Ssimokawa printf("AV/C"); 1515103285Sikob break; 1516103285Sikob case CSR_PROTCAL: 1517107653Ssimokawa printf("CAL"); 1518103285Sikob break; 1519103285Sikob case CSR_PROTEHS: 1520107653Ssimokawa printf("EHS"); 1521103285Sikob break; 1522103285Sikob case CSR_PROTHAVI: 1523107653Ssimokawa printf("HAVi"); 1524103285Sikob break; 1525103285Sikob case CSR_PROTCAM104: 1526107653Ssimokawa printf("1394 Cam 1.04"); 1527103285Sikob break; 1528103285Sikob case CSR_PROTCAM120: 1529107653Ssimokawa printf("1394 Cam 1.20"); 1530103285Sikob break; 1531103285Sikob case CSR_PROTCAM130: 1532107653Ssimokawa printf("1394 Cam 1.30"); 1533103285Sikob break; 1534103285Sikob case CSR_PROTDPP: 1535107653Ssimokawa printf("1394 Direct print"); 1536103285Sikob break; 1537103285Sikob case CSR_PROTIICP: 1538107653Ssimokawa printf("Industrial & Instrument"); 1539103285Sikob break; 1540103285Sikob default: 1541107653Ssimokawa printf("unknown 1394TA"); 1542103285Sikob break; 1543103285Sikob } 1544103285Sikob break; 1545103285Sikob default: 1546107653Ssimokawa printf("unknown spec"); 1547103285Sikob break; 1548103285Sikob } 1549103285Sikob fwdev->status = FWDEVATTACHED; 1550103285Sikob printf("\n"); 1551103285Sikob } 1552103285Sikob } 1553108773Ssimokawa err = device_get_children(fc->bdev, &devlistp, &devcnt); 1554103285Sikob if( err != 0 ) 1555103285Sikob return; 1556103285Sikob for( i = 0 ; i < devcnt ; i++){ 1557103285Sikob if (device_get_state(devlistp[i]) >= DS_ATTACHED) { 1558103285Sikob fdc = device_get_softc(devlistp[i]); 1559103285Sikob if (fdc->post_explore != NULL) 1560103285Sikob fdc->post_explore(fdc); 1561103285Sikob } 1562103285Sikob } 1563103285Sikob free(devlistp, M_TEMP); 1564103285Sikob 1565103285Sikob /* call pending handlers */ 1566103285Sikob i = 0; 1567103285Sikob while ((xfer = STAILQ_FIRST(&fc->pending))) { 1568103285Sikob STAILQ_REMOVE_HEAD(&fc->pending, link); 1569103285Sikob i++; 1570103285Sikob if (xfer->act.hand) 1571103285Sikob xfer->act.hand(xfer); 1572103285Sikob } 1573103285Sikob if (i > 0) 1574103285Sikob printf("fw_attach_dev: %d pending handlers called\n", i); 1575103285Sikob if (fc->retry_count > 0) { 1576103285Sikob printf("retry_count = %d\n", fc->retry_count); 1577110193Ssimokawa callout_reset(&fc->retry_probe_callout, hz*2, 1578110193Ssimokawa (void *)fc->ibr, (void *)fc); 1579103285Sikob } 1580103285Sikob return; 1581103285Sikob} 1582106815Ssimokawa 1583103285Sikob/* 1584103285Sikob * To allocate uniq transaction label. 1585103285Sikob */ 1586106815Ssimokawastatic int 1587106815Ssimokawafw_get_tlabel(struct firewire_comm *fc, struct fw_xfer *xfer) 1588103285Sikob{ 1589103285Sikob u_int i; 1590103285Sikob struct tlabel *tl, *tmptl; 1591103285Sikob int s; 1592103285Sikob static u_int32_t label = 0; 1593103285Sikob 1594103285Sikob s = splfw(); 1595103285Sikob for( i = 0 ; i < 0x40 ; i ++){ 1596103285Sikob label = (label + 1) & 0x3f; 1597103285Sikob for(tmptl = STAILQ_FIRST(&fc->tlabels[label]); 1598103285Sikob tmptl != NULL; tmptl = STAILQ_NEXT(tmptl, link)){ 1599103285Sikob if(tmptl->xfer->dst == xfer->dst) break; 1600103285Sikob } 1601103285Sikob if(tmptl == NULL) { 1602110195Ssimokawa tl = malloc(sizeof(struct tlabel),M_FW,M_NOWAIT); 1603103285Sikob if (tl == NULL) { 1604103285Sikob splx(s); 1605103285Sikob return (-1); 1606103285Sikob } 1607103285Sikob tl->xfer = xfer; 1608103285Sikob STAILQ_INSERT_TAIL(&fc->tlabels[label], tl, link); 1609103285Sikob splx(s); 1610103285Sikob return(label); 1611103285Sikob } 1612103285Sikob } 1613103285Sikob splx(s); 1614103285Sikob 1615103285Sikob printf("fw_get_tlabel: no free tlabel\n"); 1616103285Sikob return(-1); 1617103285Sikob} 1618106815Ssimokawa 1619103285Sikob/* 1620103285Sikob * Generic packet receving process. 1621103285Sikob */ 1622106815Ssimokawavoid 1623106815Ssimokawafw_rcv(struct firewire_comm* fc, caddr_t buf, u_int len, u_int sub, u_int off, u_int spd) 1624103285Sikob{ 1625103285Sikob struct fw_pkt *fp, *resfp; 1626103285Sikob struct fw_xfer *xfer; 1627103285Sikob struct fw_bind *bind; 1628103285Sikob struct firewire_softc *sc; 1629103285Sikob int s; 1630103285Sikob#if 0 1631103285Sikob { 1632103285Sikob u_int32_t *qld; 1633103285Sikob int i; 1634103285Sikob qld = (u_int32_t *)buf; 1635103285Sikob printf("spd %d len:%d\n", spd, len); 1636103285Sikob for( i = 0 ; i <= len && i < 32; i+= 4){ 1637103285Sikob printf("0x%08x ", ntohl(qld[i/4])); 1638103285Sikob if((i % 16) == 15) printf("\n"); 1639103285Sikob } 1640103285Sikob if((i % 16) != 15) printf("\n"); 1641103285Sikob } 1642103285Sikob#endif 1643103285Sikob fp = (struct fw_pkt *)(buf + off); 1644103285Sikob switch(fp->mode.common.tcode){ 1645103285Sikob case FWTCODE_WRES: 1646103285Sikob case FWTCODE_RRESQ: 1647103285Sikob case FWTCODE_RRESB: 1648103285Sikob case FWTCODE_LRES: 1649103285Sikob xfer = fw_tl2xfer(fc, ntohs(fp->mode.hdr.src), 1650103285Sikob fp->mode.hdr.tlrt >> 2); 1651103285Sikob if(xfer == NULL) { 1652103285Sikob printf("fw_rcv: unknown response " 1653103285Sikob "tcode=%d src=0x%x tl=%x rt=%d data=0x%x\n", 1654103285Sikob fp->mode.common.tcode, 1655103285Sikob ntohs(fp->mode.hdr.src), 1656103285Sikob fp->mode.hdr.tlrt >> 2, 1657103285Sikob fp->mode.hdr.tlrt & 3, 1658103285Sikob fp->mode.rresq.data); 1659103285Sikob#if 1 1660103285Sikob printf("try ad-hoc work around!!\n"); 1661103285Sikob xfer = fw_tl2xfer(fc, ntohs(fp->mode.hdr.src), 1662103285Sikob (fp->mode.hdr.tlrt >> 2)^3); 1663103285Sikob if (xfer == NULL) { 1664103285Sikob printf("no use...\n"); 1665103285Sikob goto err; 1666103285Sikob } 1667103285Sikob#else 1668103285Sikob goto err; 1669103285Sikob#endif 1670103285Sikob } 1671103285Sikob switch(xfer->act_type){ 1672103285Sikob case FWACT_XFER: 1673103285Sikob if((xfer->sub >= 0) && 1674103285Sikob ((fc->ir[xfer->sub]->flag & FWXFERQ_MODEMASK ) == 0)){ 1675103285Sikob xfer->resp = EINVAL; 1676103285Sikob fw_xfer_done(xfer); 1677103285Sikob goto err; 1678103285Sikob } 1679103285Sikob xfer->recv.len = len; 1680103285Sikob xfer->recv.off = off; 1681103285Sikob xfer->recv.buf = buf; 1682103285Sikob xfer->resp = 0; 1683103285Sikob fw_xfer_done(xfer); 1684103285Sikob return; 1685103285Sikob break; 1686103285Sikob case FWACT_CH: 1687103285Sikob default: 1688103285Sikob goto err; 1689103285Sikob break; 1690103285Sikob } 1691103285Sikob break; 1692103285Sikob case FWTCODE_WREQQ: 1693103285Sikob case FWTCODE_WREQB: 1694103285Sikob case FWTCODE_RREQQ: 1695103285Sikob case FWTCODE_RREQB: 1696103285Sikob case FWTCODE_LREQ: 1697103285Sikob bind = fw_bindlookup(fc, ntohs(fp->mode.rreqq.dest_hi), 1698103285Sikob ntohl(fp->mode.rreqq.dest_lo)); 1699103285Sikob if(bind == NULL){ 1700108712Ssimokawa#if __FreeBSD_version >= 500000 1701103285Sikob printf("Unknown service addr 0x%08x:0x%08x tcode=%x\n", 1702108712Ssimokawa#else 1703108712Ssimokawa printf("Unknown service addr 0x%08x:0x%08lx tcode=%x\n", 1704108712Ssimokawa#endif 1705103285Sikob ntohs(fp->mode.rreqq.dest_hi), 1706103285Sikob ntohl(fp->mode.rreqq.dest_lo), 1707103285Sikob fp->mode.common.tcode); 1708103285Sikob if (fc->status == FWBUSRESET) { 1709103285Sikob printf("fw_rcv: cannot response(bus reset)!\n"); 1710103285Sikob goto err; 1711103285Sikob } 1712110269Ssimokawa xfer = fw_xfer_alloc(M_FWXFER); 1713103285Sikob if(xfer == NULL){ 1714103285Sikob return; 1715103285Sikob } 1716103285Sikob xfer->spd = spd; 1717110195Ssimokawa xfer->send.buf = malloc(16, M_FW, M_NOWAIT); 1718103285Sikob resfp = (struct fw_pkt *)xfer->send.buf; 1719103285Sikob switch(fp->mode.common.tcode){ 1720103285Sikob case FWTCODE_WREQQ: 1721103285Sikob case FWTCODE_WREQB: 1722103285Sikob resfp->mode.hdr.tcode = FWTCODE_WRES; 1723103285Sikob xfer->send.len = 12; 1724103285Sikob break; 1725103285Sikob case FWTCODE_RREQQ: 1726103285Sikob resfp->mode.hdr.tcode = FWTCODE_RRESQ; 1727103285Sikob xfer->send.len = 16; 1728103285Sikob break; 1729103285Sikob case FWTCODE_RREQB: 1730103285Sikob resfp->mode.hdr.tcode = FWTCODE_RRESB; 1731103285Sikob xfer->send.len = 16; 1732103285Sikob break; 1733103285Sikob case FWTCODE_LREQ: 1734103285Sikob resfp->mode.hdr.tcode = FWTCODE_LRES; 1735103285Sikob xfer->send.len = 16; 1736103285Sikob break; 1737103285Sikob } 1738103285Sikob resfp->mode.hdr.dst = fp->mode.hdr.src; 1739103285Sikob resfp->mode.hdr.tlrt = fp->mode.hdr.tlrt; 1740103285Sikob resfp->mode.hdr.pri = fp->mode.hdr.pri; 1741103285Sikob resfp->mode.rresb.rtcode = 7; 1742103285Sikob resfp->mode.rresb.extcode = 0; 1743103285Sikob resfp->mode.rresb.len = 0; 1744103285Sikob/* 1745103285Sikob xfer->act.hand = fw_asy_callback; 1746103285Sikob*/ 1747103285Sikob xfer->act.hand = fw_xfer_free; 1748103285Sikob if(fw_asyreq(fc, -1, xfer)){ 1749103285Sikob fw_xfer_free( xfer); 1750103285Sikob return; 1751103285Sikob } 1752103285Sikob goto err; 1753103285Sikob } 1754103285Sikob switch(bind->xfer->act_type){ 1755103285Sikob case FWACT_XFER: 1756110269Ssimokawa xfer = fw_xfer_alloc(M_FWXFER); 1757103285Sikob if(xfer == NULL) goto err; 1758103285Sikob xfer->fc = bind->xfer->fc; 1759103285Sikob xfer->sc = bind->xfer->sc; 1760103285Sikob xfer->recv.buf = buf; 1761103285Sikob xfer->recv.len = len; 1762103285Sikob xfer->recv.off = off; 1763103285Sikob xfer->spd = spd; 1764103285Sikob xfer->act.hand = bind->xfer->act.hand; 1765103285Sikob if (fc->status != FWBUSRESET) 1766103285Sikob xfer->act.hand(xfer); 1767103285Sikob else 1768103285Sikob STAILQ_INSERT_TAIL(&fc->pending, xfer, link); 1769103285Sikob return; 1770103285Sikob break; 1771103285Sikob case FWACT_CH: 1772103285Sikob if(fc->ir[bind->xfer->sub]->queued >= 1773103285Sikob fc->ir[bind->xfer->sub]->maxq){ 1774108655Ssimokawa device_printf(fc->bdev, 1775108655Ssimokawa "Discard a packet %x %d\n", 1776103285Sikob bind->xfer->sub, 1777103285Sikob fc->ir[bind->xfer->sub]->queued); 1778103285Sikob goto err; 1779103285Sikob } 1780110269Ssimokawa xfer = fw_xfer_alloc(M_FWXFER); 1781103285Sikob if(xfer == NULL) goto err; 1782103285Sikob xfer->recv.buf = buf; 1783103285Sikob xfer->recv.len = len; 1784103285Sikob xfer->recv.off = off; 1785103285Sikob xfer->spd = spd; 1786103285Sikob s = splfw(); 1787103285Sikob fc->ir[bind->xfer->sub]->queued++; 1788103285Sikob STAILQ_INSERT_TAIL(&fc->ir[bind->xfer->sub]->q, xfer, link); 1789103285Sikob splx(s); 1790103285Sikob 1791103285Sikob wakeup((caddr_t)fc->ir[bind->xfer->sub]); 1792103285Sikob 1793103285Sikob return; 1794103285Sikob break; 1795103285Sikob default: 1796103285Sikob goto err; 1797103285Sikob break; 1798103285Sikob } 1799103285Sikob break; 1800103285Sikob case FWTCODE_STREAM: 1801103285Sikob { 1802103285Sikob struct fw_xferq *xferq; 1803103285Sikob 1804103285Sikob xferq = fc->ir[sub]; 1805103285Sikob#if 0 1806103285Sikob printf("stream rcv dma %d len %d off %d spd %d\n", 1807103285Sikob sub, len, off, spd); 1808103285Sikob#endif 1809103285Sikob if(xferq->queued >= xferq->maxq) { 1810103285Sikob printf("receive queue is full\n"); 1811103285Sikob goto err; 1812103285Sikob } 1813110269Ssimokawa xfer = fw_xfer_alloc(M_FWXFER); 1814103285Sikob if(xfer == NULL) goto err; 1815103285Sikob xfer->recv.buf = buf; 1816103285Sikob xfer->recv.len = len; 1817103285Sikob xfer->recv.off = off; 1818103285Sikob xfer->spd = spd; 1819103285Sikob s = splfw(); 1820103285Sikob xferq->queued++; 1821103285Sikob STAILQ_INSERT_TAIL(&xferq->q, xfer, link); 1822103285Sikob splx(s); 1823103285Sikob sc = device_get_softc(fc->bdev); 1824103285Sikob#if __FreeBSD_version >= 500000 1825103285Sikob if (SEL_WAITING(&xferq->rsel)) 1826103285Sikob#else 1827103285Sikob if (&xferq->rsel.si_pid != 0) 1828103285Sikob#endif 1829103285Sikob selwakeup(&xferq->rsel); 1830103285Sikob if (xferq->flag & FWXFERQ_WAKEUP) { 1831103285Sikob xferq->flag &= ~FWXFERQ_WAKEUP; 1832103285Sikob wakeup((caddr_t)xferq); 1833103285Sikob } 1834103285Sikob if (xferq->flag & FWXFERQ_HANDLER) { 1835103285Sikob xferq->hand(xferq); 1836103285Sikob } 1837103285Sikob return; 1838103285Sikob break; 1839103285Sikob } 1840103285Sikob default: 1841103285Sikob printf("fw_rcv: unknow tcode\n"); 1842103285Sikob break; 1843103285Sikob } 1844103285Sikoberr: 1845110195Ssimokawa free(buf, M_FW); 1846103285Sikob} 1847106815Ssimokawa 1848103285Sikob/* 1849103285Sikob * Post process for Bus Manager election process. 1850103285Sikob */ 1851103285Sikobstatic void 1852103285Sikobfw_try_bmr_callback(struct fw_xfer *xfer) 1853103285Sikob{ 1854109422Ssimokawa struct fw_pkt *rfp; 1855103285Sikob struct firewire_comm *fc; 1856109422Ssimokawa int bmr; 1857103285Sikob 1858109422Ssimokawa if (xfer == NULL) 1859109422Ssimokawa return; 1860103285Sikob fc = xfer->fc; 1861109422Ssimokawa if (xfer->resp != 0) 1862103285Sikob goto error; 1863109422Ssimokawa if (xfer->send.buf == NULL) 1864103285Sikob goto error; 1865109422Ssimokawa if (xfer->recv.buf == NULL) 1866103285Sikob goto error; 1867103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 1868109422Ssimokawa if (rfp->mode.lres.rtcode != FWRCODE_COMPLETE) 1869109422Ssimokawa goto error; 1870109422Ssimokawa 1871109422Ssimokawa bmr = ntohl(rfp->mode.lres.payload[0]); 1872109422Ssimokawa if (bmr == 0x3f) 1873109422Ssimokawa bmr = fc->nodeid; 1874109422Ssimokawa 1875109422Ssimokawa CSRARC(fc, BUS_MGR_ID) = fc->set_bmr(fc, bmr & 0x3f); 1876108655Ssimokawa device_printf(fc->bdev, "new bus manager %d ", 1877108655Ssimokawa CSRARC(fc, BUS_MGR_ID)); 1878109422Ssimokawa if(bmr == fc->nodeid){ 1879103285Sikob printf("(me)\n"); 1880110072Ssimokawa fw_bmr(fc); 1881103285Sikob }else{ 1882103285Sikob printf("\n"); 1883103285Sikob } 1884103285Sikoberror: 1885103285Sikob fw_xfer_free(xfer); 1886103285Sikob} 1887106815Ssimokawa 1888103285Sikob/* 1889103285Sikob * To candidate Bus Manager election process. 1890103285Sikob */ 1891106815Ssimokawavoid 1892106815Ssimokawafw_try_bmr(void *arg) 1893103285Sikob{ 1894103285Sikob struct fw_xfer *xfer; 1895103285Sikob struct firewire_comm *fc = (struct firewire_comm *)arg; 1896103285Sikob struct fw_pkt *fp; 1897103285Sikob int err = 0; 1898103285Sikob 1899110269Ssimokawa xfer = fw_xfer_alloc(M_FWXFER); 1900103285Sikob if(xfer == NULL){ 1901103285Sikob return; 1902103285Sikob } 1903103285Sikob xfer->send.len = 24; 1904103285Sikob xfer->spd = 0; 1905110195Ssimokawa xfer->send.buf = malloc(24, M_FW, M_NOWAIT); 1906103285Sikob if(xfer->send.buf == NULL){ 1907103285Sikob fw_xfer_free( xfer); 1908103285Sikob return; 1909103285Sikob } 1910103285Sikob 1911103285Sikob fc->status = FWBUSMGRELECT; 1912103285Sikob 1913103285Sikob xfer->send.off = 0; 1914103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 1915103285Sikob fp->mode.lreq.dest_hi = htons(0xffff); 1916103285Sikob fp->mode.lreq.tlrt = 0; 1917103285Sikob fp->mode.lreq.tcode = FWTCODE_LREQ; 1918103285Sikob fp->mode.lreq.pri = 0; 1919103285Sikob fp->mode.lreq.src = 0; 1920103285Sikob fp->mode.lreq.len = htons(8); 1921103285Sikob fp->mode.lreq.extcode = htons(FW_LREQ_CMPSWAP); 1922103285Sikob xfer->dst = FWLOCALBUS | fc->irm; 1923103285Sikob fp->mode.lreq.dst = htons(xfer->dst); 1924103285Sikob fp->mode.lreq.dest_lo = htonl(0xf0000000 | BUS_MGR_ID); 1925109422Ssimokawa fp->mode.lreq.payload[0] = htonl(0x3f); 1926109422Ssimokawa fp->mode.lreq.payload[1] = htonl(fc->nodeid); 1927103285Sikob xfer->act_type = FWACT_XFER; 1928103285Sikob xfer->act.hand = fw_try_bmr_callback; 1929103285Sikob 1930103285Sikob err = fw_asyreq(fc, -1, xfer); 1931103285Sikob if(err){ 1932103285Sikob fw_xfer_free( xfer); 1933103285Sikob return; 1934103285Sikob } 1935103285Sikob return; 1936103285Sikob} 1937106543Ssimokawa 1938106543Ssimokawa#ifdef FW_VMACCESS 1939103285Sikob/* 1940103285Sikob * Software implementation for physical memory block access. 1941103285Sikob * XXX:Too slow, usef for debug purpose only. 1942103285Sikob */ 1943106815Ssimokawastatic void 1944106815Ssimokawafw_vmaccess(struct fw_xfer *xfer){ 1945103285Sikob struct fw_pkt *rfp, *sfp = NULL; 1946103285Sikob u_int32_t *ld = (u_int32_t *)(xfer->recv.buf + xfer->recv.off); 1947103285Sikob 1948103285Sikob printf("vmaccess spd:%2x len:%03x %d data:%08x %08x %08x %08x\n", 1949103285Sikob xfer->spd, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 1950103285Sikob printf("vmaccess data:%08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 1951103285Sikob if(xfer->resp != 0){ 1952103285Sikob fw_xfer_free( xfer); 1953103285Sikob return; 1954103285Sikob } 1955103285Sikob if(xfer->recv.buf == NULL){ 1956103285Sikob fw_xfer_free( xfer); 1957103285Sikob return; 1958103285Sikob } 1959103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 1960103285Sikob switch(rfp->mode.hdr.tcode){ 1961103285Sikob /* XXX need fix for 64bit arch */ 1962103285Sikob case FWTCODE_WREQB: 1963110195Ssimokawa xfer->send.buf = malloc(12, M_FW, M_NOWAIT); 1964103285Sikob xfer->send.len = 12; 1965103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 1966103285Sikob bcopy(rfp->mode.wreqb.payload, 1967103285Sikob (caddr_t)ntohl(rfp->mode.wreqb.dest_lo), ntohs(rfp->mode.wreqb.len)); 1968103285Sikob sfp->mode.wres.tcode = FWTCODE_WRES; 1969103285Sikob sfp->mode.wres.rtcode = 0; 1970103285Sikob break; 1971103285Sikob case FWTCODE_WREQQ: 1972110195Ssimokawa xfer->send.buf = malloc(12, M_FW, M_NOWAIT); 1973103285Sikob xfer->send.len = 12; 1974103285Sikob sfp->mode.wres.tcode = FWTCODE_WRES; 1975103285Sikob *((u_int32_t *)(ntohl(rfp->mode.wreqb.dest_lo))) = rfp->mode.wreqq.data; 1976103285Sikob sfp->mode.wres.rtcode = 0; 1977103285Sikob break; 1978103285Sikob case FWTCODE_RREQB: 1979110195Ssimokawa xfer->send.buf = malloc(16 + rfp->mode.rreqb.len, M_FW, M_NOWAIT); 1980103285Sikob xfer->send.len = 16 + ntohs(rfp->mode.rreqb.len); 1981103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 1982103285Sikob bcopy((caddr_t)ntohl(rfp->mode.rreqb.dest_lo), 1983103285Sikob sfp->mode.rresb.payload, (u_int16_t)ntohs(rfp->mode.rreqb.len)); 1984103285Sikob sfp->mode.rresb.tcode = FWTCODE_RRESB; 1985103285Sikob sfp->mode.rresb.len = rfp->mode.rreqb.len; 1986103285Sikob sfp->mode.rresb.rtcode = 0; 1987103285Sikob sfp->mode.rresb.extcode = 0; 1988103285Sikob break; 1989103285Sikob case FWTCODE_RREQQ: 1990110195Ssimokawa xfer->send.buf = malloc(16, M_FW, M_NOWAIT); 1991103285Sikob xfer->send.len = 16; 1992103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 1993103285Sikob sfp->mode.rresq.data = *(u_int32_t *)(ntohl(rfp->mode.rreqq.dest_lo)); 1994103285Sikob sfp->mode.wres.tcode = FWTCODE_RRESQ; 1995103285Sikob sfp->mode.rresb.rtcode = 0; 1996103285Sikob break; 1997103285Sikob default: 1998103285Sikob fw_xfer_free( xfer); 1999103285Sikob return; 2000103285Sikob } 2001103285Sikob xfer->send.off = 0; 2002103285Sikob sfp->mode.hdr.dst = rfp->mode.hdr.src; 2003103285Sikob xfer->dst = ntohs(rfp->mode.hdr.src); 2004103285Sikob xfer->act.hand = fw_xfer_free; 2005103285Sikob xfer->retry_req = fw_asybusy; 2006103285Sikob 2007103285Sikob sfp->mode.hdr.tlrt = rfp->mode.hdr.tlrt; 2008103285Sikob sfp->mode.hdr.pri = 0; 2009103285Sikob 2010103285Sikob fw_asyreq(xfer->fc, -1, xfer); 2011103285Sikob/**/ 2012103285Sikob return; 2013103285Sikob} 2014106543Ssimokawa#endif 2015106543Ssimokawa 2016103285Sikob/* 2017103285Sikob * CRC16 check-sum for IEEE1394 register blocks. 2018103285Sikob */ 2019106815Ssimokawau_int16_t 2020106815Ssimokawafw_crc16(u_int32_t *ptr, u_int32_t len){ 2021103285Sikob u_int32_t i, sum, crc = 0; 2022103285Sikob int shift; 2023103285Sikob len = (len + 3) & ~3; 2024103285Sikob for(i = 0 ; i < len ; i+= 4){ 2025103285Sikob for( shift = 28 ; shift >= 0 ; shift -= 4){ 2026103285Sikob sum = ((crc >> 12) ^ (ptr[i/4] >> shift)) & 0xf; 2027103285Sikob crc = (crc << 4) ^ ( sum << 12 ) ^ ( sum << 5) ^ sum; 2028103285Sikob } 2029103285Sikob crc &= 0xffff; 2030103285Sikob } 2031103285Sikob return((u_int16_t) crc); 2032103285Sikob} 2033106815Ssimokawa 2034110072Ssimokawaint 2035110072Ssimokawafw_bmr(struct firewire_comm *fc) 2036110072Ssimokawa{ 2037110072Ssimokawa struct fw_device fwdev; 2038110072Ssimokawa int cmstr; 2039110072Ssimokawa 2040110072Ssimokawa /* XXX Assume that the current root node is cycle master capable */ 2041110072Ssimokawa cmstr = fc->max_node; 2042110072Ssimokawa /* If I am the bus manager, optimize gapcount */ 2043110072Ssimokawa if(fc->max_hop <= MAX_GAPHOP ){ 2044110072Ssimokawa fw_phy_config(fc, (fc->max_node > 0)?cmstr:-1, 2045110072Ssimokawa gap_cnt[fc->max_hop]); 2046110072Ssimokawa } 2047110072Ssimokawa /* If we are the cycle master, nothing to do */ 2048110072Ssimokawa if (cmstr == fc->nodeid) 2049110072Ssimokawa return 0; 2050110072Ssimokawa /* Bus probe has not finished, make dummy fwdev for cmstr */ 2051110072Ssimokawa bzero(&fwdev, sizeof(fwdev)); 2052110072Ssimokawa fwdev.fc = fc; 2053110072Ssimokawa fwdev.dst = cmstr; 2054110072Ssimokawa fwdev.speed = 0; 2055110072Ssimokawa fwdev.maxrec = 8; /* 512 */ 2056110072Ssimokawa fwdev.status = FWDEVINIT; 2057110072Ssimokawa /* Set cmstr bit on the cycle master */ 2058110072Ssimokawa fwmem_write_quad(&fwdev, NULL, 0/*spd*/, 2059110072Ssimokawa 0xffff, 0xf0000000 | STATE_SET, 1 << 16, 2060110072Ssimokawa fw_asy_callback_free); 2061110072Ssimokawa 2062110072Ssimokawa return 0; 2063110072Ssimokawa} 2064110072Ssimokawa 2065103285SikobDRIVER_MODULE(firewire,fwohci,firewire_driver,firewire_devclass,0,0); 2066103285SikobMODULE_VERSION(firewire, 1); 2067